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Various bugfixes and improvements #886

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Various bugfixes and improvements #886

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adamretter
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This is a rebase of the changes from #853

Closes #851
Closes #852
Closes #853

Thanks to @alebastrov for the original work.

@adamretter adamretter added the bug issue confirmed as bug label Jan 13, 2016
@adamretter adamretter added this to the eXist-3.0 milestone Jan 13, 2016
This was referenced Jan 13, 2016
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@adamretter
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Hold fire! Whilst I think this code is correct, it can occasionally cause a deadlock which I think was only unearthed because of a sync issue this code fixes. Therefore the deadlock issue lies elsewhere. I am investigating...

Deadlock looks like:

2016-01-14 15:45:45
Full thread dump Java HotSpot(TM) 64-Bit Server VM (25.51-b03 mixed mode):

"Attach Listener" #39 daemon prio=9 os_prio=31 tid=0x00007fed9e8ff000 nid=0x8203 waiting on condition [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"pool-3-thread-10" #38 prio=5 os_prio=31 tid=0x00007feda1939800 nid=0x8003 waiting for monitor entry [0x0000000126625000]
   java.lang.Thread.State: BLOCKED (on object monitor)
    at org.exist.storage.NativeBroker.getOrCreateCollectionExplicit(NativeBroker.java:679)
    - waiting to lock <0x00000007a0acc110> (a org.exist.collections.CollectionCache)
    at org.exist.storage.NativeBroker.getOrCreateCollection(NativeBroker.java:663)
    at org.exist.xmldb.LocalCollectionManagementService.lambda$createCollection$236(LocalCollectionManagementService.java:83)
    at org.exist.xmldb.LocalCollectionManagementService$$Lambda$90/2054787417.applyXmldb(Unknown Source)
    at org.exist.xmldb.function.LocalXmldbFunction.apply(LocalXmldbFunction.java:46)
    at org.exist.xmldb.AbstractLocal.withDb(AbstractLocal.java:195)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:81)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:71)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:60)
    at org.exist.indexing.lucene.ConcurrencyTest.storeDocs(ConcurrencyTest.java:160)
    at org.exist.indexing.lucene.ConcurrencyTest.storeRemoveDocs(ConcurrencyTest.java:110)
    at org.exist.indexing.lucene.ConcurrencyTest.lambda$store$0(ConcurrencyTest.java:70)
    at org.exist.indexing.lucene.ConcurrencyTest$$Lambda$106/2110785285.run(Unknown Source)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

"pool-3-thread-9" #37 prio=5 os_prio=31 tid=0x00007feda1939000 nid=0x7e03 waiting for monitor entry [0x0000000126522000]
   java.lang.Thread.State: BLOCKED (on object monitor)
    at org.exist.storage.NativeBroker.getOrCreateCollectionExplicit(NativeBroker.java:679)
    - waiting to lock <0x00000007a0acc110> (a org.exist.collections.CollectionCache)
    at org.exist.storage.NativeBroker.getOrCreateCollection(NativeBroker.java:663)
    at org.exist.xmldb.LocalCollectionManagementService.lambda$createCollection$236(LocalCollectionManagementService.java:83)
    at org.exist.xmldb.LocalCollectionManagementService$$Lambda$90/2054787417.applyXmldb(Unknown Source)
    at org.exist.xmldb.function.LocalXmldbFunction.apply(LocalXmldbFunction.java:46)
    at org.exist.xmldb.AbstractLocal.withDb(AbstractLocal.java:195)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:81)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:71)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:60)
    at org.exist.indexing.lucene.ConcurrencyTest.storeDocs(ConcurrencyTest.java:160)
    at org.exist.indexing.lucene.ConcurrencyTest.storeRemoveDocs(ConcurrencyTest.java:110)
    at org.exist.indexing.lucene.ConcurrencyTest.lambda$store$0(ConcurrencyTest.java:70)
    at org.exist.indexing.lucene.ConcurrencyTest$$Lambda$106/2110785285.run(Unknown Source)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

"pool-3-thread-8" #36 prio=5 os_prio=31 tid=0x00007fed9f80c800 nid=0x7c03 waiting for monitor entry [0x000000012641f000]
   java.lang.Thread.State: BLOCKED (on object monitor)
    at org.exist.storage.NativeBroker.getOrCreateCollectionExplicit(NativeBroker.java:679)
    - waiting to lock <0x00000007a0acc110> (a org.exist.collections.CollectionCache)
    at org.exist.storage.NativeBroker.getOrCreateCollection(NativeBroker.java:663)
    at org.exist.xmldb.LocalCollectionManagementService.lambda$createCollection$236(LocalCollectionManagementService.java:83)
    at org.exist.xmldb.LocalCollectionManagementService$$Lambda$90/2054787417.applyXmldb(Unknown Source)
    at org.exist.xmldb.function.LocalXmldbFunction.apply(LocalXmldbFunction.java:46)
    at org.exist.xmldb.AbstractLocal.withDb(AbstractLocal.java:195)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:81)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:71)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:60)
    at org.exist.indexing.lucene.ConcurrencyTest.storeDocs(ConcurrencyTest.java:160)
    at org.exist.indexing.lucene.ConcurrencyTest.storeRemoveDocs(ConcurrencyTest.java:110)
    at org.exist.indexing.lucene.ConcurrencyTest.lambda$store$0(ConcurrencyTest.java:70)
    at org.exist.indexing.lucene.ConcurrencyTest$$Lambda$106/2110785285.run(Unknown Source)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

"pool-3-thread-7" #35 prio=5 os_prio=31 tid=0x00007feda0800000 nid=0x7a03 waiting for monitor entry [0x000000012631c000]
   java.lang.Thread.State: BLOCKED (on object monitor)
    at org.exist.storage.NativeBroker.getOrCreateCollectionExplicit(NativeBroker.java:679)
    - waiting to lock <0x00000007a0acc110> (a org.exist.collections.CollectionCache)
    at org.exist.storage.NativeBroker.getOrCreateCollection(NativeBroker.java:663)
    at org.exist.xmldb.LocalCollectionManagementService.lambda$createCollection$236(LocalCollectionManagementService.java:83)
    at org.exist.xmldb.LocalCollectionManagementService$$Lambda$90/2054787417.applyXmldb(Unknown Source)
    at org.exist.xmldb.function.LocalXmldbFunction.apply(LocalXmldbFunction.java:46)
    at org.exist.xmldb.AbstractLocal.withDb(AbstractLocal.java:195)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:81)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:71)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:60)
    at org.exist.indexing.lucene.ConcurrencyTest.storeDocs(ConcurrencyTest.java:160)
    at org.exist.indexing.lucene.ConcurrencyTest.storeRemoveDocs(ConcurrencyTest.java:110)
    at org.exist.indexing.lucene.ConcurrencyTest.lambda$store$0(ConcurrencyTest.java:70)
    at org.exist.indexing.lucene.ConcurrencyTest$$Lambda$106/2110785285.run(Unknown Source)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

"pool-3-thread-6" #34 prio=5 os_prio=31 tid=0x00007feda0967800 nid=0x7803 waiting for monitor entry [0x0000000126219000]
   java.lang.Thread.State: BLOCKED (on object monitor)
    at org.exist.storage.NativeBroker.getOrCreateCollectionExplicit(NativeBroker.java:679)
    - waiting to lock <0x00000007a0acc110> (a org.exist.collections.CollectionCache)
    at org.exist.storage.NativeBroker.getOrCreateCollection(NativeBroker.java:663)
    at org.exist.xmldb.LocalCollectionManagementService.lambda$createCollection$236(LocalCollectionManagementService.java:83)
    at org.exist.xmldb.LocalCollectionManagementService$$Lambda$90/2054787417.applyXmldb(Unknown Source)
    at org.exist.xmldb.function.LocalXmldbFunction.apply(LocalXmldbFunction.java:46)
    at org.exist.xmldb.AbstractLocal.withDb(AbstractLocal.java:195)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:81)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:71)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:60)
    at org.exist.indexing.lucene.ConcurrencyTest.storeDocs(ConcurrencyTest.java:160)
    at org.exist.indexing.lucene.ConcurrencyTest.storeRemoveDocs(ConcurrencyTest.java:110)
    at org.exist.indexing.lucene.ConcurrencyTest.lambda$store$0(ConcurrencyTest.java:70)
    at org.exist.indexing.lucene.ConcurrencyTest$$Lambda$106/2110785285.run(Unknown Source)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

"pool-3-thread-5" #33 prio=5 os_prio=31 tid=0x00007fed9e010000 nid=0x7603 waiting for monitor entry [0x0000000125f1a000]
   java.lang.Thread.State: BLOCKED (on object monitor)
    at org.exist.storage.NativeBroker.getOrCreateCollectionExplicit(NativeBroker.java:679)
    - waiting to lock <0x00000007a0acc110> (a org.exist.collections.CollectionCache)
    at org.exist.storage.NativeBroker.getOrCreateCollection(NativeBroker.java:663)
    at org.exist.xmldb.LocalCollectionManagementService.lambda$createCollection$236(LocalCollectionManagementService.java:83)
    at org.exist.xmldb.LocalCollectionManagementService$$Lambda$90/2054787417.applyXmldb(Unknown Source)
    at org.exist.xmldb.function.LocalXmldbFunction.apply(LocalXmldbFunction.java:46)
    at org.exist.xmldb.AbstractLocal.withDb(AbstractLocal.java:195)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:81)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:71)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:60)
    at org.exist.indexing.lucene.ConcurrencyTest.storeDocs(ConcurrencyTest.java:160)
    at org.exist.indexing.lucene.ConcurrencyTest.storeRemoveDocs(ConcurrencyTest.java:110)
    at org.exist.indexing.lucene.ConcurrencyTest.lambda$store$0(ConcurrencyTest.java:70)
    at org.exist.indexing.lucene.ConcurrencyTest$$Lambda$106/2110785285.run(Unknown Source)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

"pool-3-thread-4" #32 prio=5 os_prio=31 tid=0x00007feda1937800 nid=0x7403 waiting for monitor entry [0x00000001254e1000]
   java.lang.Thread.State: BLOCKED (on object monitor)
    at org.exist.storage.NativeBroker.getOrCreateCollectionExplicit(NativeBroker.java:679)
    - waiting to lock <0x00000007a0acc110> (a org.exist.collections.CollectionCache)
    at org.exist.storage.NativeBroker.getOrCreateCollection(NativeBroker.java:663)
    at org.exist.xmldb.LocalCollectionManagementService.lambda$createCollection$236(LocalCollectionManagementService.java:83)
    at org.exist.xmldb.LocalCollectionManagementService$$Lambda$90/2054787417.applyXmldb(Unknown Source)
    at org.exist.xmldb.function.LocalXmldbFunction.apply(LocalXmldbFunction.java:46)
    at org.exist.xmldb.AbstractLocal.withDb(AbstractLocal.java:195)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:81)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:71)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:60)
    at org.exist.indexing.lucene.ConcurrencyTest.storeDocs(ConcurrencyTest.java:160)
    at org.exist.indexing.lucene.ConcurrencyTest.storeRemoveDocs(ConcurrencyTest.java:110)
    at org.exist.indexing.lucene.ConcurrencyTest.lambda$store$0(ConcurrencyTest.java:70)
    at org.exist.indexing.lucene.ConcurrencyTest$$Lambda$106/2110785285.run(Unknown Source)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

"pool-3-thread-3" #31 prio=5 os_prio=31 tid=0x00007feda1038800 nid=0x3f07 waiting for monitor entry [0x00000001253de000]
   java.lang.Thread.State: BLOCKED (on object monitor)
    at org.exist.storage.NativeBroker.getOrCreateCollectionExplicit(NativeBroker.java:679)
    - waiting to lock <0x00000007a0acc110> (a org.exist.collections.CollectionCache)
    at org.exist.storage.NativeBroker.getOrCreateCollection(NativeBroker.java:663)
    at org.exist.xmldb.LocalCollectionManagementService.lambda$createCollection$236(LocalCollectionManagementService.java:83)
    at org.exist.xmldb.LocalCollectionManagementService$$Lambda$90/2054787417.applyXmldb(Unknown Source)
    at org.exist.xmldb.function.LocalXmldbFunction.apply(LocalXmldbFunction.java:46)
    at org.exist.xmldb.AbstractLocal.withDb(AbstractLocal.java:195)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:81)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:71)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:60)
    at org.exist.indexing.lucene.ConcurrencyTest.storeDocs(ConcurrencyTest.java:160)
    at org.exist.indexing.lucene.ConcurrencyTest.storeRemoveDocs(ConcurrencyTest.java:110)
    at org.exist.indexing.lucene.ConcurrencyTest.lambda$store$0(ConcurrencyTest.java:70)
    at org.exist.indexing.lucene.ConcurrencyTest$$Lambda$106/2110785285.run(Unknown Source)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

"pool-3-thread-2" #30 prio=5 os_prio=31 tid=0x00007fed9f80c000 nid=0x3d07 waiting for monitor entry [0x000000012368e000]
   java.lang.Thread.State: BLOCKED (on object monitor)
    at org.exist.storage.NativeBroker.getOrCreateCollectionExplicit(NativeBroker.java:679)
    - waiting to lock <0x00000007a0acc110> (a org.exist.collections.CollectionCache)
    at org.exist.storage.NativeBroker.getOrCreateCollection(NativeBroker.java:663)
    at org.exist.xmldb.LocalCollectionManagementService.lambda$createCollection$236(LocalCollectionManagementService.java:83)
    at org.exist.xmldb.LocalCollectionManagementService$$Lambda$90/2054787417.applyXmldb(Unknown Source)
    at org.exist.xmldb.function.LocalXmldbFunction.apply(LocalXmldbFunction.java:46)
    at org.exist.xmldb.AbstractLocal.withDb(AbstractLocal.java:195)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:81)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:71)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:60)
    at org.exist.indexing.lucene.ConcurrencyTest.storeDocs(ConcurrencyTest.java:160)
    at org.exist.indexing.lucene.ConcurrencyTest.storeRemoveDocs(ConcurrencyTest.java:110)
    at org.exist.indexing.lucene.ConcurrencyTest.lambda$store$0(ConcurrencyTest.java:70)
    at org.exist.indexing.lucene.ConcurrencyTest$$Lambda$106/2110785285.run(Unknown Source)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

"pool-3-thread-1" #29 prio=5 os_prio=31 tid=0x00007fed9f80b000 nid=0x380b waiting for monitor entry [0x0000000120691000]
   java.lang.Thread.State: BLOCKED (on object monitor)
    at org.exist.storage.NativeBroker.getOrCreateCollectionExplicit(NativeBroker.java:679)
    - waiting to lock <0x00000007a0acc110> (a org.exist.collections.CollectionCache)
    at org.exist.storage.NativeBroker.getOrCreateCollection(NativeBroker.java:663)
    at org.exist.xmldb.LocalCollectionManagementService.lambda$createCollection$236(LocalCollectionManagementService.java:83)
    at org.exist.xmldb.LocalCollectionManagementService$$Lambda$90/2054787417.applyXmldb(Unknown Source)
    at org.exist.xmldb.function.LocalXmldbFunction.apply(LocalXmldbFunction.java:46)
    at org.exist.xmldb.AbstractLocal.withDb(AbstractLocal.java:195)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:81)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:71)
    at org.exist.xmldb.LocalCollectionManagementService.createCollection(LocalCollectionManagementService.java:60)
    at org.exist.indexing.lucene.ConcurrencyTest.storeDocs(ConcurrencyTest.java:160)
    at org.exist.indexing.lucene.ConcurrencyTest.storeRemoveDocs(ConcurrencyTest.java:110)
    at org.exist.indexing.lucene.ConcurrencyTest.lambda$store$0(ConcurrencyTest.java:70)
    at org.exist.indexing.lucene.ConcurrencyTest$$Lambda$106/2110785285.run(Unknown Source)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

"pool-2-thread-5" #28 prio=5 os_prio=31 tid=0x00007fed9d2d9000 nid=0x7103 waiting for monitor entry [0x0000000126ff8000]
   java.lang.Thread.State: BLOCKED (on object monitor)
    at org.exist.storage.NativeBroker.openCollection(NativeBroker.java:910)
    - waiting to lock <0x00000007a0acc110> (a org.exist.collections.CollectionCache)
    at org.exist.storage.NativeBroker.openCollection(NativeBroker.java:801)
    at org.exist.xmldb.AbstractLocal.lambda$with$176(AbstractLocal.java:167)
    at org.exist.xmldb.AbstractLocal$$Lambda$89/2004628751.apply(Unknown Source)
    at org.exist.xmldb.AbstractLocal.lambda$null$174(AbstractLocal.java:118)
    at org.exist.xmldb.AbstractLocal$$Lambda$101/330535317.applyXmldb(Unknown Source)
    at org.exist.xmldb.function.LocalXmldbFunction.apply(LocalXmldbFunction.java:46)
    at org.exist.xmldb.AbstractLocal.withDb(AbstractLocal.java:195)
    at org.exist.xmldb.AbstractLocal.lambda$modify$175(AbstractLocal.java:118)
    at org.exist.xmldb.AbstractLocal$$Lambda$91/224296026.apply(Unknown Source)
    at org.exist.xmldb.LocalIndexQueryService.configureCollection(LocalIndexQueryService.java:79)
    at org.exist.indexing.lucene.ConcurrencyTest.storeDocs(ConcurrencyTest.java:162)
    at org.exist.indexing.lucene.ConcurrencyTest.xupdateDocs(ConcurrencyTest.java:135)
    at org.exist.indexing.lucene.ConcurrencyTest.access$000(ConcurrencyTest.java:50)
    at org.exist.indexing.lucene.ConcurrencyTest$1.run(ConcurrencyTest.java:92)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

"pool-2-thread-4" #27 prio=5 os_prio=31 tid=0x00007fed9f861800 nid=0x6f03 waiting for monitor entry [0x0000000126ef5000]
   java.lang.Thread.State: BLOCKED (on object monitor)
    at org.exist.storage.NativeBroker.saveCollection(NativeBroker.java:1656)
    - waiting to lock <0x00000007a0acc110> (a org.exist.collections.CollectionCache)
    at org.exist.collections.CollectionConfigurationManager.addConfiguration(CollectionConfigurationManager.java:128)
    at org.exist.xmldb.LocalIndexQueryService.lambda$configureCollection$252(LocalIndexQueryService.java:82)
    at org.exist.xmldb.LocalIndexQueryService$$Lambda$96/1016713328.applyXmldb(Unknown Source)
    at org.exist.xmldb.function.LocalXmldbCollectionFunction.apply(LocalXmldbCollectionFunction.java:48)
    at org.exist.xmldb.AbstractLocal.lambda$with$176(AbstractLocal.java:172)
    at org.exist.xmldb.AbstractLocal$$Lambda$89/2004628751.apply(Unknown Source)
    at org.exist.xmldb.AbstractLocal.lambda$null$174(AbstractLocal.java:118)
    at org.exist.xmldb.AbstractLocal$$Lambda$101/330535317.applyXmldb(Unknown Source)
    at org.exist.xmldb.function.LocalXmldbFunction.apply(LocalXmldbFunction.java:46)
    at org.exist.xmldb.AbstractLocal.withDb(AbstractLocal.java:195)
    at org.exist.xmldb.AbstractLocal.lambda$modify$175(AbstractLocal.java:118)
    at org.exist.xmldb.AbstractLocal$$Lambda$91/224296026.apply(Unknown Source)
    at org.exist.xmldb.LocalIndexQueryService.configureCollection(LocalIndexQueryService.java:79)
    at org.exist.indexing.lucene.ConcurrencyTest.storeDocs(ConcurrencyTest.java:162)
    at org.exist.indexing.lucene.ConcurrencyTest.xupdateDocs(ConcurrencyTest.java:135)
    at org.exist.indexing.lucene.ConcurrencyTest.access$000(ConcurrencyTest.java:50)
    at org.exist.indexing.lucene.ConcurrencyTest$1.run(ConcurrencyTest.java:92)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

"pool-2-thread-3" #26 prio=5 os_prio=31 tid=0x00007fed9b754000 nid=0x6d03 waiting for monitor entry [0x0000000126df2000]
   java.lang.Thread.State: BLOCKED (on object monitor)
    at org.exist.storage.NativeBroker.openCollection(NativeBroker.java:910)
    - waiting to lock <0x00000007a0acc110> (a org.exist.collections.CollectionCache)
    at org.exist.storage.NativeBroker.openCollection(NativeBroker.java:801)
    at org.exist.xmldb.AbstractLocal.lambda$with$176(AbstractLocal.java:167)
    at org.exist.xmldb.AbstractLocal$$Lambda$89/2004628751.apply(Unknown Source)
    at org.exist.xmldb.AbstractLocal.lambda$null$174(AbstractLocal.java:118)
    at org.exist.xmldb.AbstractLocal$$Lambda$101/330535317.applyXmldb(Unknown Source)
    at org.exist.xmldb.function.LocalXmldbFunction.apply(LocalXmldbFunction.java:46)
    at org.exist.xmldb.AbstractLocal.withDb(AbstractLocal.java:195)
    at org.exist.xmldb.AbstractLocal.lambda$modify$175(AbstractLocal.java:118)
    at org.exist.xmldb.AbstractLocal$$Lambda$91/224296026.apply(Unknown Source)
    at org.exist.xmldb.LocalIndexQueryService.configureCollection(LocalIndexQueryService.java:79)
    at org.exist.indexing.lucene.ConcurrencyTest.storeDocs(ConcurrencyTest.java:162)
    at org.exist.indexing.lucene.ConcurrencyTest.xupdateDocs(ConcurrencyTest.java:135)
    at org.exist.indexing.lucene.ConcurrencyTest.access$000(ConcurrencyTest.java:50)
    at org.exist.indexing.lucene.ConcurrencyTest$1.run(ConcurrencyTest.java:92)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

"pool-2-thread-2" #25 prio=5 os_prio=31 tid=0x00007fed9f823800 nid=0x6b03 waiting for monitor entry [0x0000000126cef000]
   java.lang.Thread.State: BLOCKED (on object monitor)
    at org.exist.storage.NativeBroker.getOrCreateCollectionExplicit(NativeBroker.java:679)
    - waiting to lock <0x00000007a0acc110> (a org.exist.collections.CollectionCache)
    at org.exist.storage.NativeBroker.getOrCreateCollection(NativeBroker.java:663)
    at org.exist.collections.CollectionConfigurationManager.addConfiguration(CollectionConfigurationManager.java:110)
    at org.exist.xmldb.LocalIndexQueryService.lambda$configureCollection$252(LocalIndexQueryService.java:82)
    at org.exist.xmldb.LocalIndexQueryService$$Lambda$96/1016713328.applyXmldb(Unknown Source)
    at org.exist.xmldb.function.LocalXmldbCollectionFunction.apply(LocalXmldbCollectionFunction.java:48)
    at org.exist.xmldb.AbstractLocal.lambda$with$176(AbstractLocal.java:172)
    at org.exist.xmldb.AbstractLocal$$Lambda$89/2004628751.apply(Unknown Source)
    at org.exist.xmldb.AbstractLocal.lambda$null$174(AbstractLocal.java:118)
    at org.exist.xmldb.AbstractLocal$$Lambda$101/330535317.applyXmldb(Unknown Source)
    at org.exist.xmldb.function.LocalXmldbFunction.apply(LocalXmldbFunction.java:46)
    at org.exist.xmldb.AbstractLocal.withDb(AbstractLocal.java:195)
    at org.exist.xmldb.AbstractLocal.lambda$modify$175(AbstractLocal.java:118)
    at org.exist.xmldb.AbstractLocal$$Lambda$91/224296026.apply(Unknown Source)
    at org.exist.xmldb.LocalIndexQueryService.configureCollection(LocalIndexQueryService.java:79)
    at org.exist.indexing.lucene.ConcurrencyTest.storeDocs(ConcurrencyTest.java:162)
    at org.exist.indexing.lucene.ConcurrencyTest.xupdateDocs(ConcurrencyTest.java:135)
    at org.exist.indexing.lucene.ConcurrencyTest.access$000(ConcurrencyTest.java:50)
    at org.exist.indexing.lucene.ConcurrencyTest$1.run(ConcurrencyTest.java:92)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

"pool-2-thread-1" #24 prio=5 os_prio=31 tid=0x00007fed9b60c000 nid=0x6903 in Object.wait() [0x0000000126115000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    at org.exist.storage.lock.ReentrantReadWriteLock.acquire(ReentrantReadWriteLock.java:148)
    - locked <0x00000007bbc1bfe0> (a org.exist.storage.lock.ReentrantReadWriteLock)
    at org.exist.collections.Collection.getPermissions(Collection.java:904)
    at org.exist.storage.NativeBroker.getOrCreateCollectionExplicit(NativeBroker.java:764)
    - locked <0x00000007a0acc110> (a org.exist.collections.CollectionCache)
    at org.exist.storage.NativeBroker.getOrCreateCollection(NativeBroker.java:663)
    at org.exist.collections.CollectionConfigurationManager.addConfiguration(CollectionConfigurationManager.java:110)
    at org.exist.xmldb.LocalIndexQueryService.lambda$configureCollection$252(LocalIndexQueryService.java:82)
    at org.exist.xmldb.LocalIndexQueryService$$Lambda$96/1016713328.applyXmldb(Unknown Source)
    at org.exist.xmldb.function.LocalXmldbCollectionFunction.apply(LocalXmldbCollectionFunction.java:48)
    at org.exist.xmldb.AbstractLocal.lambda$with$176(AbstractLocal.java:172)
    at org.exist.xmldb.AbstractLocal$$Lambda$89/2004628751.apply(Unknown Source)
    at org.exist.xmldb.AbstractLocal.lambda$null$174(AbstractLocal.java:118)
    at org.exist.xmldb.AbstractLocal$$Lambda$101/330535317.applyXmldb(Unknown Source)
    at org.exist.xmldb.function.LocalXmldbFunction.apply(LocalXmldbFunction.java:46)
    at org.exist.xmldb.AbstractLocal.withDb(AbstractLocal.java:195)
    at org.exist.xmldb.AbstractLocal.lambda$modify$175(AbstractLocal.java:118)
    at org.exist.xmldb.AbstractLocal$$Lambda$91/224296026.apply(Unknown Source)
    at org.exist.xmldb.LocalIndexQueryService.configureCollection(LocalIndexQueryService.java:79)
    at org.exist.indexing.lucene.ConcurrencyTest.storeDocs(ConcurrencyTest.java:162)
    at org.exist.indexing.lucene.ConcurrencyTest.xupdateDocs(ConcurrencyTest.java:135)
    at org.exist.indexing.lucene.ConcurrencyTest.access$000(ConcurrencyTest.java:50)
    at org.exist.indexing.lucene.ConcurrencyTest$1.run(ConcurrencyTest.java:92)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

"WeakMultiValueHashMap sweeper" #23 daemon prio=2 os_prio=31 tid=0x00007fed9e1d9800 nid=0x5f07 in Object.wait() [0x000000012453b000]
   java.lang.Thread.State: WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    at java.lang.Object.wait(Object.java:502)
    at org.exist.fluent.WeakMultiValueHashMap$Sweeper.run(WeakMultiValueHashMap.java:99)
    - locked <0x00000007bbbdbbd8> (a org.exist.fluent.WeakMultiValueHashMap$Sweeper)
    at java.lang.Thread.run(Thread.java:745)

"Checkpointer" #22 daemon prio=5 os_prio=31 tid=0x00007fed9bc17800 nid=0x6703 in Object.wait() [0x0000000125b1b000]
   java.lang.Thread.State: WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    at java.lang.Object.wait(Object.java:502)
    at com.sleepycat.je.utilint.DaemonThread.run(DaemonThread.java:174)
    - locked <0x00000007bb9f3ff8> (a java.lang.Object)
    at java.lang.Thread.run(Thread.java:745)

"Cleaner-1" #21 daemon prio=5 os_prio=31 tid=0x00007fed9bc05000 nid=0x6503 in Object.wait() [0x0000000125a18000]
   java.lang.Thread.State: WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    at java.lang.Object.wait(Object.java:502)
    at com.sleepycat.je.utilint.DaemonThread.run(DaemonThread.java:174)
    - locked <0x00000007bb9db600> (a java.lang.Object)
    at java.lang.Thread.run(Thread.java:745)

"INCompressor" #20 daemon prio=5 os_prio=31 tid=0x00007fed9b9cd800 nid=0x6303 in Object.wait() [0x0000000125915000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    at com.sleepycat.je.utilint.DaemonThread.run(DaemonThread.java:176)
    - locked <0x00000007bb8adf18> (a java.lang.Object)
    at java.lang.Thread.run(Thread.java:745)

"Thread-3" #19 prio=5 os_prio=31 tid=0x00007fed9f06e800 nid=0x6103 in Object.wait() [0x000000012473e000]
   java.lang.Thread.State: WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    at java.lang.Object.wait(Object.java:502)
    at org.exist.storage.journal.FileSyncThread.run(FileSyncThread.java:117)
    - locked <0x00000007a0522408> (a org.exist.storage.journal.FileSyncThread)

"DefaultQuartzScheduler_QuartzSchedulerThread" #17 prio=5 os_prio=31 tid=0x00007fed9bc14800 nid=0x5d03 in Object.wait() [0x0000000124438000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    at org.quartz.core.QuartzSchedulerThread.run(QuartzSchedulerThread.java:311)
    - locked <0x00000007a051ab60> (a java.lang.Object)

"DefaultQuartzScheduler_Worker-4" #16 prio=5 os_prio=31 tid=0x00007fed9b55d800 nid=0x5b03 in Object.wait() [0x0000000124335000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568)
    - locked <0x00000007a052a580> (a java.lang.Object)

"DefaultQuartzScheduler_Worker-3" #15 prio=5 os_prio=31 tid=0x00007fed9b5f0800 nid=0x5903 in Object.wait() [0x0000000124232000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568)
    - locked <0x00000007a0532558> (a java.lang.Object)

"DefaultQuartzScheduler_Worker-2" #14 prio=5 os_prio=31 tid=0x00007fed9b40f800 nid=0x5703 in Object.wait() [0x000000012412f000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568)
    - locked <0x00000007a053a538> (a java.lang.Object)

"DefaultQuartzScheduler_Worker-1" #13 prio=5 os_prio=31 tid=0x00007fed9b5e9000 nid=0x5503 in Object.wait() [0x000000012402c000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568)
    - locked <0x00000007a0522720> (a java.lang.Object)

"Service Thread" #9 daemon prio=9 os_prio=31 tid=0x00007fed9b02c000 nid=0x5103 runnable [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"C1 CompilerThread3" #8 daemon prio=9 os_prio=31 tid=0x00007fed9b02f000 nid=0x4f03 waiting on condition [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"C2 CompilerThread2" #7 daemon prio=9 os_prio=31 tid=0x00007fed9c02a800 nid=0x4d03 waiting on condition [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"C2 CompilerThread1" #6 daemon prio=9 os_prio=31 tid=0x00007fed9c029800 nid=0x4b03 waiting on condition [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"C2 CompilerThread0" #5 daemon prio=9 os_prio=31 tid=0x00007fed9b81a000 nid=0x4903 waiting on condition [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"Signal Dispatcher" #4 daemon prio=9 os_prio=31 tid=0x00007fed9b010000 nid=0x3913 runnable [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE

"Finalizer" #3 daemon prio=8 os_prio=31 tid=0x00007fed9b815800 nid=0x3503 in Object.wait() [0x00000001204fd000]
   java.lang.Thread.State: WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143)
    - locked <0x00000007a050c638> (a java.lang.ref.ReferenceQueue$Lock)
    at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164)
    at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:209)

"Reference Handler" #2 daemon prio=10 os_prio=31 tid=0x00007fed9b814800 nid=0x3303 in Object.wait() [0x00000001203fa000]
   java.lang.Thread.State: WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    at java.lang.Object.wait(Object.java:502)
    at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:157)
    - locked <0x00000007a050c808> (a java.lang.ref.Reference$Lock)

"main" #1 prio=5 os_prio=31 tid=0x00007fed9b802800 nid=0x1303 waiting on condition [0x000000010cc68000]
   java.lang.Thread.State: TIMED_WAITING (parking)
    at sun.misc.Unsafe.park(Native Method)
    - parking to wait for  <0x00000007bb8adc98> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
    at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
    at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
    at java.util.concurrent.ThreadPoolExecutor.awaitTermination(ThreadPoolExecutor.java:1465)
    at org.exist.indexing.lucene.ConcurrencyTest.store(ConcurrencyTest.java:77)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
    at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
    at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
    at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
    at junit.framework.JUnit4TestAdapter.run(JUnit4TestAdapter.java:38)
    at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:532)
    at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:1179)
    at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:1030)

"VM Thread" os_prio=31 tid=0x00007fed9d836800 nid=0x3103 runnable 

"GC task thread#0 (ParallelGC)" os_prio=31 tid=0x00007fed9d804800 nid=0x2103 runnable 

"GC task thread#1 (ParallelGC)" os_prio=31 tid=0x00007fed9d805000 nid=0x2303 runnable 

"GC task thread#2 (ParallelGC)" os_prio=31 tid=0x00007fed9d805800 nid=0x2503 runnable 

"GC task thread#3 (ParallelGC)" os_prio=31 tid=0x00007fed9d806000 nid=0x2703 runnable 

"GC task thread#4 (ParallelGC)" os_prio=31 tid=0x00007fed9d807000 nid=0x2903 runnable 

"GC task thread#5 (ParallelGC)" os_prio=31 tid=0x00007fed9d807800 nid=0x2b03 runnable 

"GC task thread#6 (ParallelGC)" os_prio=31 tid=0x00007fed9c00f000 nid=0x2d03 runnable 

"GC task thread#7 (ParallelGC)" os_prio=31 tid=0x00007fed9c00f800 nid=0x2f03 runnable 

"VM Periodic Task Thread" os_prio=31 tid=0x00007fed9b02d000 nid=0x5303 waiting on condition 

JNI global references: 521

@adamretter adamretter modified the milestones: eXist-3.2.0, eXist-3.0 Feb 25, 2017
@alebastrov
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No changes still in 3.x codebase...

@dizzzz
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dizzzz commented Apr 5, 2017

@adamretter reported a deadlock situation, which is a problem, and potentially hard to fix. for sure we can ping him on this PR....

@alebastrov
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We've got rid of deadlocks in 2.2, but we've put a lot of efforts into codebase 2.2 and like to see them in 3.x

@adamretter adamretter modified the milestones: eXist-3.3.0, eXist-3.2.0 May 3, 2017
@adamretter adamretter modified the milestones: eXist-3.4.0, eXist-3.3.0 Jul 3, 2017
@adamretter adamretter modified the milestones: eXist-3.4.0, eXist-3.5.0 Jul 27, 2017
@adamretter adamretter added the in progress Issue is actively being worked upon label Aug 17, 2017
@adamretter adamretter modified the milestones: eXist-3.5.0, eXist-3.6.0 Sep 28, 2017
@adamretter adamretter modified the milestones: eXist-3.6.0, eXist-3.7.0 Nov 27, 2017
@adamretter adamretter modified the milestones: eXist-3.7.0, eXist-4.1.0 Feb 14, 2018
@adamretter adamretter mentioned this pull request Apr 14, 2018
Merged
@adamretter adamretter closed this Apr 14, 2018
@adamretter adamretter deleted the 853 branch April 14, 2018 12:56
This was referenced Jan 8, 2019
Closed
Closed
@joewiz joewiz removed in progress Issue is actively being worked upon labels Jan 26, 2019
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@adamretter @alebastrov @dizzzz @joewiz