If you know how to debug jvm crashing on your computer, hopefully this article can help you fix it.
Approved: Fortect
I am very confused and do not know how to approach and solve my individual problem. I have a simple Java code snippet that is causing the JVM to crash:
## Java runtime encountered fatal error:## SIGSEGV (0xb) on pc = 0x00000001057ce9d4, pid = 10727, tid = 18947## JRE plan: Java SE Runtime Environment (tm) (8.0_73-b02) (build 1.8.0_73-b02)# Java Virtual Machine: HotSpot (TM) Server 64-bit Java Virtual Machine (25.73-b02, mixed mode, bsd-amd64, compressed oh)# Problematic V-frame:# [libjvm.dylib + 0x3ce9d4] PhaseIdealLoop :: idom_no_update (Node *) const + 0x12## Failed to write core dump. Base repositories are disabled. To enable kernel uninstallation, try ulimit -c unlimited before restarting Java.## If you would like to suggest a bug report, visit:# Http://bugreport.java.com/bugreport/crash.jsp#--------------- THE WIRE ---------------Current thread (0x00007feeef003800): JavaThread daemon "C2 CompilerThread0" [_thread_in_native, id = 18947, stack (0x0000700000ec4000,0x0000700000fc4000)]siginfo: si_signo: 18 (SIGSEGV), si_code: 1 Si_addr: (segv_maperr), 0x00000000000000008
I have no idea how to solve the problem. The program is quite simple, it receives a message from Kafka in addition to the message-based trigger tasks. When I add two different tasks, each program gets 900 to 1500 warnings after a crash. All posts are exactly the same and the program does not use any new JNI stuff (the third party collections used also do not use JNI as I was informed).
I have never had this suffering problem, but I would like / have toThis is your way of figuring out what the problem is. I have already used the second JVM versions (Java 8.0_66, 8.0_73-b02 combined with 8.0_74-b02). So what can I do? Thanks !
so ...# JRE version: java OS runtime (tm) (8.0_73-b02) (build 1.8.0_73-b02)# Java Virtual Machine: HotSpot (TM) Server 64-bit Java Virtual Machine (25.73-b02, mixed mode, bsd-amd64, compressed oh)# Problematic V-frame:# [libjvm.dylib + 0x3ce9d4]...
EDIT (2): I have updated my Java version to 8.0_74. The error is indeed still there :(.
Approved: Fortect
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## Java runtime encountered fatal error:## SIGSEGV (0xb) on pc = 0x00000001073cdef8, pid = 11227, tid = 19715## JRE version: java OS runtime (tm) (8.0_74-b02) (build 1.8.0_74-b02)# VM: Java Java HotSpot (TM) 64-bit Server VM (25.74-b02 Mixed Mode bsd-amd64, abbreviated oops)# Problematic framework:# V [libjvm. ... ... dylib + 0x3cdef8] PhaseIdealLoop :: idom_no_update (Node *) const + 0x12## Error writing body dump. Kernel dumps are disabled. To tune the core dump try ulimit -c unlimited before restarting Java## If you would like to submit a bug report, visit:# Http://bugreport.java.com/bugreport/crash.jsp#--------------- THE WIRE ---------------Current safe thread (0x00007f89e481c800): JavaThread daemon "C2 CompilerThread1" [_thread_in_native, id = 19715, stack (0x000070000104a000,0x000070000114a000)]siginfo: si_signo: 11 (SIGSEGV), si_code: 5 (SEGV_MAPERR), si_addr: 0x000000000000008
So, I finally dumped the Verizon core and loaded it into Java VisualVM (I couldn’t use the solution organized by DROY because the jmap call resulted in another error: “Error adding to main list: unable to connect to core . file “”). A thread dump was generated by VisualVM with the results:
Subject 30239 "Keep-Alive-Timer": (state = LOCKED) at java.lang.Thread.Method) sleep (native to sun.net.www.http.KeepAliveCache.run (KeepAliveCache.java: 172) at java.lang.Thread.run (Thread.java:745)Thread 29699 (Status "threaddeathwatcher-4-1": = LOCKED) by going to java.lang.Thread.sleep (native method) io at.netty.util.ThreadDeathWatcher $ Watcher.run (ThreadDeathWatcher.java:137) at io.netty.util.concurrent.DefaultThreadFactory $ DefaultRunnableDecorator.run (DefaultThreadFactory.java:137) at java.lang.Thread.run (Thread.java:745)Stream 26635 (state 'nioeventloopgroup-3-1': implies IN_NATIVE) at sun.nio.ch.KQueueArrayWrapper.Method) kevent0 (native from sun.nio.ch.KQueueArrayWrapper.poll (KQueueArrayWrapper.java: 198) at sun.nio.ch.KQueueSelectorImpl.doSelect (KQueueSelectorImpl.java:117) with sun.nio.ch.SelectorImpl.lockAndDoSelect (SelectorImpl.java:86) - <0x00000006c049ec98> Io fixed (a.netty.channel.nio. Selectedselectionkeyset) - safe <0x00000006c049ec88> (java.util.Collections $ UnmodifiableSet) 2.locked <0x00000006c049ecb8> (a sun.nio.ch.KQueueSelectorImpl) At sun.nio.ch.SelectorImpl.select (SelectorImpl.java:97) available at io.netty.channel.nio.NioEventLoop.select (NioEventLoop.java:622) at io.netty.channel.nio.NioEventLoop.run (NioEventLoop.java:310) at io.netty.util.concurrent.SingleThreadEventExecutor $ 2.run (SingleThreadEventExecutor.java:110) only with io.netty.util.concurrent.DefaultThreadFactory $ DefaultRunnableDecorator.run (DefaultThreadFactory.java:137) found at java.lang.Thread.run (Thread.java:745)Thread 29187 "pool-3-thread-1": (state = LOCKED) at sun.misc.Unsafe.park (native method) Coffee Beans at.util.concurrent.locks.LockSupport.park (LockSupport. Java: 175) at java.util.concurrent.locks.AbstractQueuedSynchronizer $ ConditionObject.await (AbstractQueuedSynchronizer.java:2039) java at.util.concurrent.LinkedBlockingQueue.take (LinkedBlockingQueue.java:442) kafka at.consumer.ConsumerIterator.makeNext (ConsumerIterator.scala: 63) inside kafka.consumer.ConsumerIterator.makeNext (ConsumerIterator.scala: 33) at kafka.utils.IteratorTemplate.maybeComputeNext (IteratorTemplate.scala: 66) at kafka.utils.IteratorTemplate.hasNext (IteratorTemplate.scala: 58) online at.sosse.common.messaging.DefaultHandler.doRun (DefaultHandler.java:22) author: com.sosse.common.concurrency.DefaultRunnable.run (DefaultRunnable.java:11) at java.util.concurrent.Executors $ RunnableAdapter.call (Executors. java: 511) at java.util.concurrent.FutureTask.run (FutureTask.java:266) Gourmet Cafe at.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)Thread 28675 "pool-4-thread-1": (state, pemergency BLOCKED) via java.lang.Thread.sleep (native method) io at.netty.util.HashedWheelTimer $ Worker.waitForNextTick (HashedWheelTimer.java:461) at io.netty.util.HashedWheelTimer $ Worker.run (HashedWheelTimer. java: 360) via java.lang.Thread.run (Thread.java:745)Topic 28163 "ConsumerFetcherThread-analytics-group_Philipp.local-1458441725398-581eabc3-0-0": (state corresponds to in_native) at sun.nio.ch.Net.Methode) poll (native to sun.nio.ch.SocketChannelImpl.poll (SocketChannelImpl.java:954) or blocked <0x00000006c056d538> (java.lang.Object) at sun.nio.ch.SocketAdaptor $ SocketInputStream.read (SocketAdaptor.java:204) - private <0x00000006c056d5b8> Java (a.lang.Object) sun.nio.ch.ChannelInputStream.read (ChannelInputStream.java:103) - <0x00000006c056d5f8> fixed (sun.nio.ch.SocketAdaptor $ SocketInputStream) At java.nio.channels.Channels $ ReadableByteChannelImpl.read (Channels.java:385) - fixed (<0x00000006c056d618> java.lang.Object) Under kafka.utils.Utils $ .read (Utils.scala: 380) kafka at.network.BoundedByteBufferReceive.readFrom (BoundedByteBufferReceive.scala: 54) kafka at.network.Receive $ class.readCompletely (Transmission.scala: 56) only with kafka.network.BoundedByteBufferReceive.readCompletely (BoundedByteBufferReceive.scala: 29) kafka at.network.BlockingChannel.receive (BlockingChannel.scala: 111) kafka at.consumer.SimpleConsumer.liftedTree1 $ 1 (SimpleConsumer.scala: 71) Under kafka.consumer.SimpleConsumer.kafka $ consumer $ SimpleConsumer $$ sendRequest (SimpleConsumer.scala: 68) - safe <0x00000006c056d6e0> (java.lang.Object) At kafka.consumer.SimpleConsu
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Check the crash text file. The file with the crash of the letter. dump can show which memory allocations have failed.Check the size of the crash binary. When a particular JRockit JVM crashes, it generates any crash binary (.core as well.
Whatever hardware diagnostics work best for your precious system, give it a try. Since JVM crashes are rare, I would report them to Sun. This can be done more in their bug tracking system. Use Ding Java SE, jvm_exact or jit subcategory.
Open / bin / run. bat on Windows, and /bin/run.sh on Linux for editing. To hide the reports for the JVM crash log, comment out the appropriate line to indicate where the JVM crash is analyzed. Example: #ERROR_FILE = "- XX: ErrorFile = $ PA_HOME / log / java_error% p.
