Re: [OSM-dev] osmosis stuck, possible to debug?

Stephan Knauss Wed, 22 Jun 2011 12:01:19 -0700

On 22.06.2011 19:12, Frederik Ramm wrote:

On 06/22/11 18:51, Stephan Knauss wrote:

this afternoon my update process got stuck.

I don't know, but when this happens it tends to happen to almost
everybody. It happened to four machines where I run minutely updates,
too. It's usually once every few months. I have no idea why.

I'm not used to all the debugging tools available. I was able to createthe following stack trace using "jstack"

For mee it looks like it got stuck inside some method checking theserver state. How is it supposed to handle network timeouts and such things?


Deadlock Detection:

No deadlocks found.

Thread 23590: (state = BLOCKED)
 - sun.misc.Unsafe.park(boolean, long) @bci=0 (Interpreted frame)

- java.util.concurrent.locks.LockSupport.park(java.lang.Object)@bci=14, line=158 (Interpreted frame)-java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await()@bci=42, line=1987 (Interpreted frame)- org.openstreetmap.osmosis.core.store.DataPostbox.waitForUpdate()@bci=4, line=99 (Interpreted frame)-org.openstreetmap.osmosis.core.store.DataPostbox.consumeCentralQueue()@bci=33, line=157 (Interpreted frame)- org.openstreetmap.osmosis.core.store.DataPostbox.hasNext() @bci=15,line=235 (Interpreted frame)- org.openstreetmap.osmosis.core.buffer.v0_6.ChangeBuffer.run()@bci=6, line=73 (Interpreted frame)

 - java.lang.Thread.run() @bci=11, line=662 (Interpreted frame)


Thread 23589: (state = BLOCKED)
 - sun.misc.Unsafe.park(boolean, long) @bci=0 (Interpreted frame)

 - java.lang.Thread.run() @bci=11, line=662 (Interpreted frame)


Thread 23588: (state = IN_NATIVE)

- java.net.SocketInputStream.socketRead0(java.io.FileDescriptor,byte[], int, int, int) @bci=0 (Interpreted frame)- java.net.SocketInputStream.read(byte[], int, int) @bci=84, line=129(Interpreted frame)- java.io.BufferedInputStream.fill() @bci=175, line=218 (Interpretedframe)- java.io.BufferedInputStream.read1(byte[], int, int) @bci=44,line=258 (Interpreted frame)- java.io.BufferedInputStream.read(byte[], int, int) @bci=49, line=317(Interpreted frame)-sun.net.www.http.HttpClient.parseHTTPHeader(sun.net.www.MessageHeader,sun.net.ProgressSource, sun.net.www.protocol.http.HttpURLConnection)@bci=51, line=687 (Interpreted frame)- sun.net.www.http.HttpClient.parseHTTP(sun.net.www.MessageHeader,sun.net.ProgressSource, sun.net.www.protocol.http.HttpURLConnection)@bci=30, line=632 (Interpreted frame)- sun.net.www.protocol.http.HttpURLConnection.getInputStream()@bci=294, line=1195 (Interpreted frame)

 - java.net.URL.openStream() @bci=4, line=1010 (Interpreted frame)

-org.openstreetmap.osmosis.replication.common.ServerStateReader.getServerState(java.net.URL,java.lang.String) @bci=31, line=87 (Interpreted frame)-org.openstreetmap.osmosis.replication.common.ServerStateReader.getServerState(java.net.URL)@bci=4, line=45 (Interpreted frame)-org.openstreetmap.osmosis.replication.v0_6.BaseReplicationDownloader.runImpl()@bci=37, line=263 (Interpreted frame)-org.openstreetmap.osmosis.replication.v0_6.BaseReplicationDownloader.run()@bci=26, line=345 (Interpreted frame)

 - java.lang.Thread.run() @bci=11, line=662 (Interpreted frame)


Thread 23580: (state = BLOCKED)


Thread 23509: (state = BLOCKED)
 - java.lang.Object.wait(long) @bci=0 (Interpreted frame)

- java.lang.ref.ReferenceQueue.remove(long) @bci=44, line=118(Interpreted frame)- java.lang.ref.ReferenceQueue.remove() @bci=2, line=134 (Interpretedframe)- java.lang.ref.Finalizer$FinalizerThread.run() @bci=3, line=159(Interpreted frame)



Thread 23508: (state = BLOCKED)
 - java.lang.Object.wait(long) @bci=0 (Interpreted frame)
 - java.lang.Object.wait() @bci=2, line=485 (Interpreted frame)

- java.lang.ref.Reference$ReferenceHandler.run() @bci=46, line=116(Interpreted frame)



Thread 23360: (state = BLOCKED)
 - java.lang.Object.wait(long) @bci=0 (Interpreted frame)
 - java.lang.Thread.join(long) @bci=38, line=1186 (Interpreted frame)
 - java.lang.Thread.join() @bci=2, line=1239 (Interpreted frame)

-org.openstreetmap.osmosis.core.pipeline.common.ActiveTaskManager.waitForCompletion()@bci=44, line=75 (Interpreted frame)-org.openstreetmap.osmosis.core.pipeline.common.Pipeline.waitForCompletion()@bci=32, line=140 (Interpreted frame)- org.openstreetmap.osmosis.core.Osmosis.run(java.lang.String[])@bci=101, line=92 (Interpreted frame)- org.openstreetmap.osmosis.core.Osmosis.main(java.lang.String[])@bci=1, line=37 (Interpreted frame)-sun.reflect.NativeMethodAccessorImpl.invoke0(java.lang.reflect.Method,java.lang.Object, java.lang.Object[]) @bci=0 (Interpreted frame)- sun.reflect.NativeMethodAccessorImpl.invoke(java.lang.Object,java.lang.Object[]) @bci=87, line=39 (Interpreted frame)- sun.reflect.DelegatingMethodAccessorImpl.invoke(java.lang.Object,java.lang.Object[]) @bci=6, line=25 (Interpreted frame)- java.lang.reflect.Method.invoke(java.lang.Object,java.lang.Object[]) @bci=161, line=597 (Interpreted frame)-org.codehaus.plexus.classworlds.launcher.Launcher.launchStandard(java.lang.String[])@bci=34, line=329 (Interpreted frame)-org.codehaus.plexus.classworlds.launcher.Launcher.launch(java.lang.String[])@bci=9, line=239 (Interpreted frame)-org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(java.lang.String[])@bci=97, line=409 (Interpreted frame)-org.codehaus.plexus.classworlds.launcher.Launcher.main(java.lang.String[])@bci=1, line=352 (Interpreted frame)- org.codehaus.classworlds.Launcher.main(java.lang.String[]) @bci=1,line=31 (Interpreted frame)



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Re: [OSM-dev] osmosis stuck, possible to debug?

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