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com.sun.management.internal.GarbageCollectorExtImpl.getLastGcInfo() inaccessible. module jdk.management does not "exports com.sun.management.internal" to unnamed module @28701274 #495

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com.sun.management.internal.GarbageCollectorExtImpl.getLastGcInfo() inaccessible. module jdk.management does not "exports com.sun.management.internal" to unnamed module @28701274#495
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jkandasa
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@mitchmitchell

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@mitchmitchell
mitchmitchell
opened on Feb 8, 2019

I am periodically seeing the following logged in the mycontroller log file:

2019-02-07 21:08:10,615 ERROR [Acme.Utils.ThreadPool(2)-PooledThread: Acme.Serve.Serve$ServeConnection@55f9f447] [org.mycontroller.standalone.api.jaxrs.utils.StatusJVM:67] Error, 
java.lang.reflect.InaccessibleObjectException: Unable to make public com.sun.management.GcInfo com.sun.management.internal.GarbageCollectorExtImpl.getLastGcInfo() accessible: module jdk.management does not "exports com.sun.management.internal" to unnamed module @28701274
	at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:337)
	at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:281)
	at java.base/java.lang.reflect.Method.checkCanSetAccessible(Method.java:198)
	at java.base/java.lang.reflect.Method.setAccessible(Method.java:192)
	at org.mycontroller.standalone.api.jaxrs.utils.StatusJVM.getGcInfo(StatusJVM.java:64)
	at org.mycontroller.standalone.api.jaxrs.utils.StatusJVM.getGarbageCollector(StatusJVM.java:48)
	at org.mycontroller.standalone.api.jaxrs.utils.StatusJVM.getGarbageCollectors(StatusJVM.java:41)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:654)
	at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:675)
	at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:157)
	at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:130)
	at com.fasterxml.jackson.databind.ObjectWriter$Prefetch.serialize(ObjectWriter.java:1387)
	at com.fasterxml.jackson.databind.ObjectWriter.writeValue(ObjectWriter.java:889)
	at org.jboss.resteasy.plugins.providers.jackson.ResteasyJackson2Provider.writeTo(ResteasyJackson2Provider.java:207)
	at org.mycontroller.standalone.api.jaxrs.mixins.McJacksonJson2Provider.writeTo(McJacksonJson2Provider.java:120)
	at org.jboss.resteasy.core.interception.AbstractWriterInterceptorContext.writeTo(AbstractWriterInterceptorContext.java:131)
	at org.jboss.resteasy.core.interception.ServerWriterInterceptorContext.writeTo(ServerWriterInterceptorContext.java:60)
	at org.jboss.resteasy.core.interception.AbstractWriterInterceptorContext.proceed(AbstractWriterInterceptorContext.java:120)
	at org.jboss.resteasy.plugins.interceptors.encoding.GZIPEncodingInterceptor.aroundWriteTo(GZIPEncodingInterceptor.java:100)
	at org.jboss.resteasy.core.interception.AbstractWriterInterceptorContext.proceed(AbstractWriterInterceptorContext.java:124)
	at org.jboss.resteasy.core.ServerResponseWriter.writeNomapResponse(ServerResponseWriter.java:98)
	at org.jboss.resteasy.core.SynchronousDispatcher.writeResponse(SynchronousDispatcher.java:466)
	at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:415)
	at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:202)
	at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:221)
	at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
	at org.jboss.resteasy.plugins.server.tjws.TJWSServletDispatcher.service(TJWSServletDispatcher.java:40)
	at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
	at Acme.Serve.Serve$ServeConnection.runServlet(Serve.java:2328)
	at Acme.Serve.Serve$ServeConnection.parseRequest(Serve.java:2282)
	at Acme.Serve.Serve$ServeConnection.run(Serve.java:2054)
	at Acme.Utils$ThreadPool$PooledThread.run(Utils.java:1402)
	at java.base/java.lang.Thread.run(Thread.java:844)
[Thu Feb 07 21:08:10 CST 2019] Unexpected problem running servlet
org.jboss.resteasy.spi.UnhandledException: RESTEASY003770: Response is committed, can't handle exception
	at org.jboss.resteasy.core.SynchronousDispatcher.writeException(SynchronousDispatcher.java:167)
	at org.jboss.resteasy.core.SynchronousDispatcher.writeResponse(SynchronousDispatcher.java:471)
	at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:415)
	at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:202)
	at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:221)
	at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
	at org.jboss.resteasy.plugins.server.tjws.TJWSServletDispatcher.service(TJWSServletDispatcher.java:40)
	at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
	at Acme.Serve.Serve$ServeConnection.runServlet(Serve.java:2328)
	at Acme.Serve.Serve$ServeConnection.parseRequest(Serve.java:2282)
	at Acme.Serve.Serve$ServeConnection.run(Serve.java:2054)
	at Acme.Utils$ThreadPool$PooledThread.run(Utils.java:1402)
	at java.base/java.lang.Thread.run(Thread.java:844)
Caused by: com.fasterxml.jackson.databind.JsonMappingException: java.lang.reflect.InaccessibleObjectException: Unable to make public com.sun.management.GcInfo com.sun.management.internal.GarbageCollectorExtImpl.getLastGcInfo() accessible: module jdk.management does not "exports com.sun.management.internal" to unnamed module @28701274 (through reference chain: org.mycontroller.standalone.api.jaxrs.utils.StatusJVM["garbageCollectors"])
	at com.fasterxml.jackson.databind.JsonMappingException.wrapWithPath(JsonMappingException.java:210)
	at com.fasterxml.jackson.databind.JsonMappingException.wrapWithPath(JsonMappingException.java:177)
	at com.fasterxml.jackson.databind.ser.std.StdSerializer.wrapAndThrow(StdSerializer.java:199)
	at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:683)
	at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:157)
	at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:130)
	at com.fasterxml.jackson.databind.ObjectWriter$Prefetch.serialize(ObjectWriter.java:1387)
	at com.fasterxml.jackson.databind.ObjectWriter.writeValue(ObjectWriter.java:889)
	at org.jboss.resteasy.plugins.providers.jackson.ResteasyJackson2Provider.writeTo(ResteasyJackson2Provider.java:207)
	at org.mycontroller.standalone.api.jaxrs.mixins.McJacksonJson2Provider.writeTo(McJacksonJson2Provider.java:120)
	at org.jboss.resteasy.core.interception.AbstractWriterInterceptorContext.writeTo(AbstractWriterInterceptorContext.java:131)
	at org.jboss.resteasy.core.interception.ServerWriterInterceptorContext.writeTo(ServerWriterInterceptorContext.java:60)
	at org.jboss.resteasy.core.interception.AbstractWriterInterceptorContext.proceed(AbstractWriterInterceptorContext.java:120)
	at org.jboss.resteasy.plugins.interceptors.encoding.GZIPEncodingInterceptor.aroundWriteTo(GZIPEncodingInterceptor.java:100)
	at org.jboss.resteasy.core.interception.AbstractWriterInterceptorContext.proceed(AbstractWriterInterceptorContext.java:124)
	at org.jboss.resteasy.core.ServerResponseWriter.writeNomapResponse(ServerResponseWriter.java:98)
	at org.jboss.resteasy.core.SynchronousDispatcher.writeResponse(SynchronousDispatcher.java:466)
	... 12 more
Caused by: java.lang.RuntimeException: java.lang.reflect.InaccessibleObjectException: Unable to make public com.sun.management.GcInfo com.sun.management.internal.GarbageCollectorExtImpl.getLastGcInfo() accessible: module jdk.management does not "exports com.sun.management.internal" to unnamed module @28701274
	at org.mycontroller.standalone.api.jaxrs.utils.StatusJVM.getGcInfo(StatusJVM.java:68)
	at org.mycontroller.standalone.api.jaxrs.utils.StatusJVM.getGarbageCollector(StatusJVM.java:48)
	at org.mycontroller.standalone.api.jaxrs.utils.StatusJVM.getGarbageCollectors(StatusJVM.java:41)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:654)
	at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:675)
	... 25 more
Caused by: java.lang.reflect.InaccessibleObjectException: Unable to make public com.sun.management.GcInfo com.sun.management.internal.GarbageCollectorExtImpl.getLastGcInfo() accessible: module jdk.management does not "exports com.sun.management.internal" to unnamed module @28701274
	at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:337)
	at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:281)
	at java.base/java.lang.reflect.Method.checkCanSetAccessible(Method.java:198)
	at java.base/java.lang.reflect.Method.setAccessible(Method.java:192)
	at org.mycontroller.standalone.api.jaxrs.utils.StatusJVM.getGcInfo(StatusJVM.java:64)
	... 33 more

[Thu Feb 07 21:08:10 CST 2019] Unexpected problem running servlet: org.jboss.resteasy.spi.UnhandledException: RESTEASY003770: Response is committed, can't handle exception

This is on an Intel 64 bit system:
$ uname -a
Linux grendel 4.15.0-45-generic #48-Ubuntu SMP Tue Jan 29 16:28:13 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

MyController
Version
1.4.0.Final
Database schema revision
1.04.06 - 2018 Dec 04
Database type
H2 database embedded
Database version
1.4.194 (2017-03-10)
Git commit:branch
828633c:master
Built on
2019-01-23T17:28:34+0530
Build JDK
1.8.0_191
Build tool
Apache Maven 3.5.4
Java virtual machine specification
VM vendor
Oracle Corporation
VM name
OpenJDK 64-Bit Server VM
VM version
10.0.2+13-Ubuntu-1ubuntu0.18.04.4
Java home
/usr/lib/jvm/java-11-openjdk-amd64
Operating system
Operating system
Linux
Architecture
amd64
Version/Kernel
4.15.0-45-generic
Location
/opt/mycontroller/

Java home
/usr/lib/jvm/java-11-openjdk-amd64
Java vendor url
http://java.oracle.com/
VM name
OpenJDK 64-Bit Server VM
VM vendor
Oracle Corporation
VM version
10.0.2+13-Ubuntu-1ubuntu0.18.04.4
Specification vendor
Oracle Corporation
Specification version
10
Management specification version
2.0
Up time
4 days 5 hours 9 minutes 22 seconds
Heap memory
Used: NaN MB, Committed: NaN MB, Init: NaN MB, Max: NaN MB
Non heap memory
Used: NaN MB, Committed: NaN MB, Init: NaN MB, Max: NaN MB
Threads count
Current: 57, Peak: 58, Total started: 288, Daemon: 24
Class loading details
Loaded: 7488, Unloaded: 837, Total loaded: 8325

perating system
Linux
Architecture
amd64
Version/Kernel
4.15.0-45-generic
Available process
2
System load average
114.00 %
System cpu load
0.00 %
Process cpu
Load: 0.00 %, Time: 18830620 milliseconds
Physical memory (RAM)
Free: 7392 MB, Total: 15788 MB
Swap space
Free: 2047 MB, Total: 2047 MB
Committed virtual memory size
2876 MB
User working directory
/opt/mycontroller/bin

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