Simplify the default crashtracker message

dd-java-agent/agent-crashtracking/src/main/java/datadog/crashtracking/parsers/HotspotCrashLogParser.java

@@ -120,7 +120,6 @@ public CrashLog parse(String uuid, String crashLog) {
     String pid = null;
     List<StackFrame> frames = new ArrayList<>();
     String datetime = null;
-    StringBuilder message = new StringBuilder();
     boolean incomplete = false;
 
     String[] lines = NEWLINE_SPLITTER.split(crashLog);
@@ -130,7 +129,6 @@ public CrashLog parse(String uuid, String crashLog) {
         case NEW:
           if (line.startsWith(
               "# A fatal error has been detected by the Java Runtime Environment:")) {
-            message.append("\n\n");
             state = State.MESSAGE; // jump directly to MESSAGE state
           }
           break;
@@ -151,8 +149,6 @@ public CrashLog parse(String uuid, String crashLog) {
                 int endIdx = line.indexOf(',', pidIdx);
                 pid = line.substring(pidIdx + 4, endIdx);
               }
-            } else {
-              message.append(line.substring(2)).append('\n');
             }
           }
           break;
@@ -174,7 +170,6 @@ public CrashLog parse(String uuid, String crashLog) {
         case THREAD:
           // Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
           if (line.startsWith("Native frames: ")) {
-            message.append('\n').append(line).append('\n');
             state = State.STACKTRACE;
           }
           break;
@@ -183,7 +178,6 @@ public CrashLog parse(String uuid, String crashLog) {
             state = State.DONE;
           } else {
             // Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
-            message.append(line).append('\n');
             frames.add(parseLine(line));
           }
           break;
@@ -200,10 +194,10 @@ public CrashLog parse(String uuid, String crashLog) {
       // incomplete crash log
       incomplete = true;
     }
+    String message = "Process terminated by signal " + (signal != null ? signal : "UNKNOWN");
 
     ErrorData error =
-        new ErrorData(
-            signal, message.toString(), new StackTrace(frames.toArray(new StackFrame[0])));
+        new ErrorData(signal, message, new StackTrace(frames.toArray(new StackFrame[0])));
     // We can not really extract the full metadata and os info from the crash log
     // This code assumes the parser is run on the same machine as the crash happened
     Metadata metadata = new Metadata("dd-trace-java", VersionInfo.VERSION, "java", null);

dd-java-agent/agent-crashtracking/src/test/resources/golden/sample-crash-for-telemetry-2.txt

@@ -1 +1 @@
-{"data_schema_version":"1.0","error":{"is_crash":true,"kind":"SIGSEGV","message":"\n\nJRE version: OpenJDK Runtime Environment Temurin-22.0.1+8 (22.0.1+8) (build 22.0.1+8)\nJava VM: OpenJDK 64-Bit Server VM Temurin-22.0.1+8 (22.0.1+8, mixed mode, sharing, tiered, compressed oops, compressed class ptrs, g1 gc, linux-amd64)\nProblematic frame:\nC  [libpthread.so.0+0x9cd5]  __pthread_clockjoin_ex+0x255\n\nNative frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)\nC  [libpthread.so.0+0x9cd5]  __pthread_clockjoin_ex+0x255\n","source_type":"crashtracking","stack":{"format":"CrashTrackerV1","frames":[{"file":"libpthread.so.0","function":"__pthread_clockjoin_ex"}]}},"incomplete":false,"metadata":{"family":"java","library_name":"dd-trace-java","library_version":"1.55.0-SNAPSHOT~6b33361cb4"},"os_info":{"architecture":"aarch64","bitness":"64","os_type":"Mac OS X","version":{"Semantic":[15,7,1]}},"proc_info":{"pid":"576034"},"timestamp":"2024-09-20T13:19:06Z","uuid":"a4194cd6-8cb3-45fd-9bd9-3af83e0a3ad3","version_id":0}
+{"data_schema_version":"1.0","error":{"is_crash":true,"kind":"SIGSEGV","message":"Process terminated by signal SIGSEGV","source_type":"crashtracking","stack":{"format":"CrashTrackerV1","frames":[{"file":"libpthread.so.0","function":"__pthread_clockjoin_ex"}]}},"incomplete":false,"metadata":{"family":"java","library_name":"dd-trace-java","library_version":"1.56.0-SNAPSHOT~37a6360670"},"os_info":{"architecture":"aarch64","bitness":"64","os_type":"Mac OS X","version":{"Semantic":[15,7,1]}},"proc_info":{"pid":"576034"},"timestamp":"2024-09-20T13:19:06Z","uuid":"a4194cd6-8cb3-45fd-9bd9-3af83e0a3ad3","version_id":0}

dd-java-agent/agent-crashtracking/src/test/resources/golden/sample-crash-for-telemetry-3.txt

@@ -1 +1 @@
-{"data_schema_version":"1.0","error":{"is_crash":true,"kind":"INVALID","message":"\n\n fatal error: OutOfMemory encountered: Java heap space\nJRE version: OpenJDK Runtime Environment (Zulu 8.70.0.23-CA-macos-aarch64) (8.0_372-b07) (build 1.8.0_372-b07)\nJava VM: OpenJDK 64-Bit Server VM (25.372-b07 mixed mode bsd-aarch64 compressed oops)\n\nNative frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)\nV  [libjvm.dylib+0x565d30]  VMError::report_and_die()+0x468\nV  [libjvm.dylib+0x1941a0]  report_vm_error(char const*, int, char const*, char const*)+0x5c\nV  [libjvm.dylib+0x1943d8]  report_java_out_of_memory(char const*)+0xfc\nV  [libjvm.dylib+0x70430]  CollectedHeap::common_mem_allocate_noinit(KlassHandle, unsigned long, Thread*)+0x128\nV  [libjvm.dylib+0x53eba8]  TypeArrayKlass::allocate_common(int, bool, Thread*)+0xfc\nV  [libjvm.dylib+0x285b6c]  InterpreterRuntime::newarray(JavaThread*, BasicType, int)+0x48\nj  datadog.smoketest.crashtracking.CrashtrackingTestApplication.main([Ljava/lang/String;)V+105\nv  ~StubRoutines::call_stub\nV  [libjvm.dylib+0x28f86c]  JavaCalls::call_helper(JavaValue*, methodHandle*, JavaCallArguments*, Thread*)+0x840\nV  [libjvm.dylib+0x2d3b44]  jni_invoke_static(JNIEnv_*, JavaValue*, _jobject*, JNICallType, _jmethodID*, JNI_ArgumentPusher*, Thread*)+0x294\nV  [libjvm.dylib+0x2d7160]  jni_CallStaticVoidMethod+0x188\nC  [java+0x6404]  JavaMain+0xa10\nC  [libsystem_pthread.dylib+0x6f94]  _pthread_start+0x88\nC  [libsystem_pthread.dylib+0x1d34]  thread_start+0x8\n","source_type":"crashtracking","stack":{"format":"CrashTrackerV1","frames":[{"file":"libjvm.dylib","function":"VMError::report_and_die()"},{"file":"libjvm.dylib","function":"report_vm_error(char const*, int, char const*, char const*)"},{"file":"libjvm.dylib","function":"report_java_out_of_memory(char const*)"},{"file":"libjvm.dylib","function":"CollectedHeap::common_mem_allocate_noinit(KlassHandle, unsigned long, Thread*)"},{"file":"libjvm.dylib","function":"TypeArrayKlass::allocate_common(int, bool, Thread*)"},{"file":"libjvm.dylib","function":"InterpreterRuntime::newarray(JavaThread*, BasicType, int)"},{"function":"datadog.smoketest.crashtracking.CrashtrackingTestApplication.main([Ljava/lang/String;)V","line":105},{"function":" ~StubRoutines::call_stub"},{"file":"libjvm.dylib","function":"JavaCalls::call_helper(JavaValue*, methodHandle*, JavaCallArguments*, Thread*)"},{"file":"libjvm.dylib","function":"jni_invoke_static(JNIEnv_*, JavaValue*, _jobject*, JNICallType, _jmethodID*, JNI_ArgumentPusher*, Thread*)"},{"file":"libjvm.dylib","function":"jni_CallStaticVoidMethod"},{"file":"java","function":"JavaMain"},{"file":"libsystem_pthread.dylib","function":"_pthread_start"},{"file":"libsystem_pthread.dylib","function":"thread_start"}]}},"incomplete":false,"metadata":{"family":"java","library_name":"dd-trace-java","library_version":"1.55.0-SNAPSHOT~6b33361cb4"},"os_info":{"architecture":"aarch64","bitness":"64","os_type":"Mac OS X","version":{"Semantic":[15,7,1]}},"proc_info":{"pid":"96267"},"uuid":"a4194cd6-8cb3-45fd-9bd9-3af83e0a3ad3","version_id":0}
+{"data_schema_version":"1.0","error":{"is_crash":true,"kind":"INVALID","message":"Process terminated by signal INVALID","source_type":"crashtracking","stack":{"format":"CrashTrackerV1","frames":[{"file":"libjvm.dylib","function":"VMError::report_and_die()"},{"file":"libjvm.dylib","function":"report_vm_error(char const*, int, char const*, char const*)"},{"file":"libjvm.dylib","function":"report_java_out_of_memory(char const*)"},{"file":"libjvm.dylib","function":"CollectedHeap::common_mem_allocate_noinit(KlassHandle, unsigned long, Thread*)"},{"file":"libjvm.dylib","function":"TypeArrayKlass::allocate_common(int, bool, Thread*)"},{"file":"libjvm.dylib","function":"InterpreterRuntime::newarray(JavaThread*, BasicType, int)"},{"function":"datadog.smoketest.crashtracking.CrashtrackingTestApplication.main([Ljava/lang/String;)V","line":105},{"function":" ~StubRoutines::call_stub"},{"file":"libjvm.dylib","function":"JavaCalls::call_helper(JavaValue*, methodHandle*, JavaCallArguments*, Thread*)"},{"file":"libjvm.dylib","function":"jni_invoke_static(JNIEnv_*, JavaValue*, _jobject*, JNICallType, _jmethodID*, JNI_ArgumentPusher*, Thread*)"},{"file":"libjvm.dylib","function":"jni_CallStaticVoidMethod"},{"file":"java","function":"JavaMain"},{"file":"libsystem_pthread.dylib","function":"_pthread_start"},{"file":"libsystem_pthread.dylib","function":"thread_start"}]}},"incomplete":false,"metadata":{"family":"java","library_name":"dd-trace-java","library_version":"1.56.0-SNAPSHOT~37a6360670"},"os_info":{"architecture":"aarch64","bitness":"64","os_type":"Mac OS X","version":{"Semantic":[15,7,1]}},"proc_info":{"pid":"96267"},"uuid":"a4194cd6-8cb3-45fd-9bd9-3af83e0a3ad3","version_id":0}

dd-java-agent/agent-crashtracking/src/test/resources/golden/sample-crash-for-telemetry.txt

@@ -1 +1 @@
-{"data_schema_version":"1.0","error":{"is_crash":true,"kind":"SIGSEGV","message":"\n\nJRE version: OpenJDK Runtime Environment Zulu17.42+20-SA (17.0.7+7) (build 17.0.7+7-LTS)\nJava VM: OpenJDK 64-Bit Server VM Zulu17.42+20-SA (17.0.7+7-LTS, mixed mode, tiered, compressed oops, compressed class ptrs, g1 gc, linux-amd64)\nProblematic frame:\nV  [libjvm.so+0x6b7187]  vframeStreamForte::forte_next()+0x797\n\nNative frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)\nV  [libjvm.so+0x6b7187]  vframeStreamForte::forte_next()+0x797\nV  [libjvm.so+0x6b79ad]  forte_fill_call_trace_given_top(JavaThread*, ASGCT_CallTrace*, int, frame) [clone .isra.22]+0x7bd\nV  [libjvm.so+0x6b8123]  AsyncGetCallTrace+0x193\nC  [libjavaProfiler586350205236920700.so+0x146c8]  Profiler::getJavaTraceAsync(void*, ASGCT_CallFrame*, int, StackContext*, bool*) [clone .isra.531]+0xd8\nC  [libjavaProfiler586350205236920700.so+0x1c18d]  Profiler::recordSample(void*, unsigned long long, int, int, Event*)+0xa2d\nC  [libjavaProfiler586350205236920700.so+0x1d128]  WallClock::sharedSignalHandler(int, siginfo_t*, void*)+0x148\nC  [libpthread.so.0+0x12cf0]\nV  [libjvm.so+0x85f9e9]  JfrStackTrace::record_safe(JavaThread*, int)+0x5a9\nV  [libjvm.so+0x861650]  JfrStackTraceRepository::record_for_leak_profiler(JavaThread*, int)+0x50\nV  [libjvm.so+0xb1ecba]  ObjectSampler::sample(HeapWordImpl**, unsigned long, JavaThread*)+0x10a\nV  [libjvm.so+0x81abee]  JfrAllocationTracer::JfrAllocationTracer(Klass const*, HeapWordImpl**, unsigned long, bool, JavaThread*)+0x5e\nV  [libjvm.so+0x3afa20]  AllocTracer::send_allocation_in_new_tlab(Klass*, HeapWordImpl**, unsigned long, unsigned long, JavaThread*)+0x30\nV  [libjvm.so+0xa8f8ed]  MemAllocator::allocate() const+0x13d\nV  [libjvm.so+0x7e443c]  InstanceKlass::allocate_objArray(int, int, JavaThread*)+0x13c\nV  [libjvm.so+0xbe1b59]  OptoRuntime::new_array_C(Klass*, int, JavaThread*)+0x129\n","source_type":"crashtracking","stack":{"format":"CrashTrackerV1","frames":[{"file":"libjvm.so","function":"vframeStreamForte::forte_next()"},{"file":"libjvm.so","function":"forte_fill_call_trace_given_top(JavaThread*, ASGCT_CallTrace*, int, frame) [clone .isra.22]"},{"file":"libjvm.so","function":"AsyncGetCallTrace"},{"file":"libjavaProfiler586350205236920700.so","function":"Profiler::getJavaTraceAsync(void*, ASGCT_CallFrame*, int, StackContext*, bool*) [clone .isra.531]"},{"file":"libjavaProfiler586350205236920700.so","function":"Profiler::recordSample(void*, unsigned long long, int, int, Event*)"},{"file":"libjavaProfiler586350205236920700.so","function":"WallClock::sharedSignalHandler(int, siginfo_t*, void*)"},{"file":"libpthread.so.0","function":"libpthread.so.0+0x12cf0"},{"file":"libjvm.so","function":"JfrStackTrace::record_safe(JavaThread*, int)"},{"file":"libjvm.so","function":"JfrStackTraceRepository::record_for_leak_profiler(JavaThread*, int)"},{"file":"libjvm.so","function":"ObjectSampler::sample(HeapWordImpl**, unsigned long, JavaThread*)"},{"file":"libjvm.so","function":"JfrAllocationTracer::JfrAllocationTracer(Klass const*, HeapWordImpl**, unsigned long, bool, JavaThread*)"},{"file":"libjvm.so","function":"AllocTracer::send_allocation_in_new_tlab(Klass*, HeapWordImpl**, unsigned long, unsigned long, JavaThread*)"},{"file":"libjvm.so","function":"MemAllocator::allocate() const"},{"file":"libjvm.so","function":"InstanceKlass::allocate_objArray(int, int, JavaThread*)"},{"file":"libjvm.so","function":"OptoRuntime::new_array_C(Klass*, int, JavaThread*)"}]}},"incomplete":false,"metadata":{"family":"java","library_name":"dd-trace-java","library_version":"1.55.0-SNAPSHOT~6b33361cb4"},"os_info":{"architecture":"aarch64","bitness":"64","os_type":"Mac OS X","version":{"Semantic":[15,7,1]}},"proc_info":{"pid":"161958"},"timestamp":"2023-10-17T20:25:14+08:00","uuid":"a4194cd6-8cb3-45fd-9bd9-3af83e0a3ad3","version_id":0}
+ {"data_schema_version":"1.0","error":{"is_crash":true,"kind":"SIGSEGV","message":"Process terminated by signal SIGSEGV","source_type":"crashtracking","stack":{"format":"CrashTrackerV1","frames":[{"file":"libjvm.so","function":"vframeStreamForte::forte_next()"},{"file":"libjvm.so","function":"forte_fill_call_trace_given_top(JavaThread*, ASGCT_CallTrace*, int, frame) [clone .isra.22]"},{"file":"libjvm.so","function":"AsyncGetCallTrace"},{"file":"libjavaProfiler586350205236920700.so","function":"Profiler::getJavaTraceAsync(void*, ASGCT_CallFrame*, int, StackContext*, bool*) [clone .isra.531]"},{"file":"libjavaProfiler586350205236920700.so","function":"Profiler::recordSample(void*, unsigned long long, int, int, Event*)"},{"file":"libjavaProfiler586350205236920700.so","function":"WallClock::sharedSignalHandler(int, siginfo_t*, void*)"},{"file":"libpthread.so.0","function":"libpthread.so.0+0x12cf0"},{"file":"libjvm.so","function":"JfrStackTrace::record_safe(JavaThread*, int)"},{"file":"libjvm.so","function":"JfrStackTraceRepository::record_for_leak_profiler(JavaThread*, int)"},{"file":"libjvm.so","function":"ObjectSampler::sample(HeapWordImpl**, unsigned long, JavaThread*)"},{"file":"libjvm.so","function":"JfrAllocationTracer::JfrAllocationTracer(Klass const*, HeapWordImpl**, unsigned long, bool, JavaThread*)"},{"file":"libjvm.so","function":"AllocTracer::send_allocation_in_new_tlab(Klass*, HeapWordImpl**, unsigned long, unsigned long, JavaThread*)"},{"file":"libjvm.so","function":"MemAllocator::allocate() const"},{"file":"libjvm.so","function":"InstanceKlass::allocate_objArray(int, int, JavaThread*)"},{"file":"libjvm.so","function":"OptoRuntime::new_array_C(Klass*, int, JavaThread*)"}]}},"incomplete":false,"metadata":{"family":"java","library_name":"dd-trace-java","library_version":"1.56.0-SNAPSHOT~37a6360670"},"os_info":{"architecture":"aarch64","bitness":"64","os_type":"Mac OS X","version":{"Semantic":[15,7,1]}},"proc_info":{"pid":"161958"},"timestamp":"2023-10-17T20:25:14+08:00","uuid":"a4194cd6-8cb3-45fd-9bd9-3af83e0a3ad3","version_id":0}

dd-smoke-tests/crashtracking/src/test/java/datadog/smoketest/CrashtrackingSmokeTest.java

@@ -338,7 +338,7 @@ private String assertCrashPing() throws InterruptedException, IOException {
   private void assertCrashData(String uuid) throws InterruptedException, IOException {
     CrashTelemetryData crashData = crashEvents.poll(DATA_TIMEOUT_MS, TimeUnit.MILLISECONDS);
     assertNotNull(crashData, "Crash data not uploaded");
-    assertTrue(crashData.payload.get(0).message.contains("OutOfMemory"));
+    assertTrue(crashData.payload.get(0).message.contains("Process terminated by signal"));
     assertTrue(crashData.payload.get(0).tags.contains("severity:crash"));
     final Map<?, ?> map = moshi.adapter(Map.class).fromJson(crashData.payload.get(0).message);
     final Object receivedUuid = map.get("uuid");