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From "André Vila Cova" <andremailingl...@gmail.com>
Subject Re: Tomcat - All threads (200) are currently busy
Date Thu, 12 Jul 2007 17:12:42 GMT
Lot of waits... Could you help me?

"http-8085-Processor24" daemon prio=1 tid=0x082f1378 nid=0x19c6 in
Object.wait() [0xde118000..0xde118e20]
        at java.lang.Object.wait(Native Method)
        - waiting on <0xe619f748> (a
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable)
        at java.lang.Object.wait(Object.java:474)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
ThreadPool.java:656)
        - locked <0xe619f748> (a
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable)
        at java.lang.Thread.run(Thread.java:595)

"http-8085-Processor23" daemon prio=1 tid=0x082f0470 nid=0x19c5 in
Object.wait() [0xde199000..0xde199da0]
        at java.lang.Object.wait(Native Method)
        - waiting on <0xe61c2360> (a
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable)
        at java.lang.Object.wait(Object.java:474)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
ThreadPool.java:656)
        - locked <0xe61c2360> (a
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable)
        at java.lang.Thread.run(Thread.java:595)

"http-8085-Processor22" daemon prio=1 tid=0x084561c8 nid=0x19c4 in
Object.wait() [0xde21a000..0xde21b120]
        at java.lang.Object.wait(Native Method)
        - waiting on <0xe61c21e8> (a
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable)
        at java.lang.Object.wait(Object.java:474)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
ThreadPool.java:656)
        - locked <0xe61c21e8> (a
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable)
        at java.lang.Thread.run(Thread.java:595)


On 7/12/07, André Vila Cova <andremailinglist@gmail.com> wrote:
>
> More information on catalina.out:
>
> "TP-Processor80" daemon prio=1 tid=0xe0370988 nid=0x1c19 runnable
> [0xda178000..0xda178fa0]
>         at java.net.SocketInputStream.socketRead0(Native Method)
>         at java.net.SocketInputStream.read(SocketInputStream.java :129)
>         at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
>         at java.io.BufferedInputStream.read1(BufferedInputStream.java:256)
>         at java.io.BufferedInputStream.read(BufferedInputStream.java :313)
>         - locked <0xf0caa5d0> (a java.io.BufferedInputStream)
>         at org.apache.jk.common.ChannelSocket.read(ChannelSocket.java:620)
>         at org.apache.jk.common.ChannelSocket.receive(ChannelSocket.java:558)
>         at org.apache.jk.common.ChannelSocket.processConnection(
> ChannelSocket.java:685)
>         at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(
> ChannelSocket.java:889)
>         at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run (
> ThreadPool.java:684)
>         at java.lang.Thread.run(Thread.java:595)
>
> "TP-Processor79" daemon prio=1 tid=0xe036ffd8 nid=0x1c18 runnable
> [0xda1f9000..0xda1f9f20]
>         at java.net.SocketInputStream.socketRead0(Native Method)
>         at java.net.SocketInputStream.read(SocketInputStream.java :129)
>         at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
>         at java.io.BufferedInputStream.read1(BufferedInputStream.java:256)
>         at java.io.BufferedInputStream.read(BufferedInputStream.java :313)
>         - locked <0xf0ca5d20> (a java.io.BufferedInputStream)
>         at org.apache.jk.common.ChannelSocket.read(ChannelSocket.java:620)
>         at org.apache.jk.common.ChannelSocket.receive(ChannelSocket.java:558)
>         at org.apache.jk.common.ChannelSocket.processConnection(
> ChannelSocket.java:685)
>         at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(
> ChannelSocket.java:889)
>         at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run (
> ThreadPool.java:684)
>         at java.lang.Thread.run(Thread.java:595)
>
> "TP-Processor78" daemon prio=1 tid=0xe036f678 nid=0x1c17 runnable
> [0xda27a000..0xda27aea0]
>         at java.net.SocketInputStream.socketRead0(Native Method)
>         at java.net.SocketInputStream.read(SocketInputStream.java :129)
>         at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
>         at java.io.BufferedInputStream.read1(BufferedInputStream.java:256)
>         at java.io.BufferedInputStream.read(BufferedInputStream.java :313)
>         - locked <0xeff48930> (a java.io.BufferedInputStream)
>         at org.apache.jk.common.ChannelSocket.read(ChannelSocket.java:620)
>         at org.apache.jk.common.ChannelSocket.receive(ChannelSocket.java:558)
>         at org.apache.jk.common.ChannelSocket.processConnection(
> ChannelSocket.java:685)
>         at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(
> ChannelSocket.java:889)
>         at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run (
> ThreadPool.java:684)
>         at java.lang.Thread.run(Thread.java:595)
>
> "TP-Processor77" daemon prio=1 tid=0xe036f0a0 nid=0x1c16 runnable
> [0xda2fb000..0xda2fbe20]
>         at java.net.SocketInputStream.socketRead0(Native Method)
>         at java.net.SocketInputStream.read(SocketInputStream.java :129)
>         at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
>         at java.io.BufferedInputStream.read1(BufferedInputStream.java:256)
>         at java.io.BufferedInputStream.read(BufferedInputStream.java :313)
>         - locked <0xeff48ff8> (a java.io.BufferedInputStream)
>         at org.apache.jk.common.ChannelSocket.read(ChannelSocket.java:620)
>         at org.apache.jk.common.ChannelSocket.receive(ChannelSocket.java:558)
>         at org.apache.jk.common.ChannelSocket.processConnection(
> ChannelSocket.java:685)
>         at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(
> ChannelSocket.java:889)
>         at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run (
> ThreadPool.java:684)
>         at java.lang.Thread.run(Thread.java:595)
> ...
>
> Thank you
>
>
>  On 7/12/07, André Vila Cova <andremailinglist@gmail.com> wrote:
> >
> > I get following output after executing Kill -quit 6555... I don't know
> > what information I need to analyze. Could you help me?
> >
> > [root@alertapp01 hsperfdata_tomcat]# strings 6555
> > sun.rt.createVmBeginTime
> > sun.rt.createVmEndTime
> > sun.rt.vmInitDoneTime
> > java.threads.started
> > java.threads.live
> > java.threads.livePeak
> > java.threads.daemon
> > sun.rt.safepointSyncTime
> > sun.rt.safepoints
> > sun.rt.safepointTime
> > sun.rt.applicationTime
> > java.cls.loadedClasses
> > java.cls.unloadedClasses
> > java.cls.sharedLoadedClasses
> > java.cls.sharedUnloadedClasses
> > sun.cls.loadedBytes
> > sun.cls.unloadedBytes
> > sun.cls.sharedLoadedBytes
> > sun.cls.sharedUnloadedBytes
> > sun.cls.methodBytes
> > sun.cls.time
> > sun.cls.initializedClasses
> > sun.cls.classInitTime
> > sun.cls.classVerifyTime
> > sun.gc.cause
> > No GC
> > sun.gc.lastCause
> > unknown GCCause
> > sun.gc.generation.0.name
> > sun.gc.generation.0.spaces
> > sun.gc.generation.0.minCapacity
> > sun.gc.generation.0.maxCapacity
> > sun.gc.generation.0.capacity
> > sun.gc.generation.0.space.0.name
> > eden
> > sun.gc.generation.0.space.0.maxCapacity
> > sun.gc.generation.0.space.0.capacity
> > sun.gc.generation.0.space.0.used
> > sun.gc.generation.0.space.0.initCapacity
> > sun.gc.generation.0.space.1.name
> > sun.gc.generation.0.space.1.maxCapacity
> > sun.gc.generation.0.space.1.capacity
> > sun.gc.generation.0.space.1.used
> > sun.gc.generation.0.space.1.initCapacity
> > sun.gc.generation.0.space.2.name
> > sun.gc.generation.0.space.2.maxCapacity
> > sun.gc.generation.0.space.2.capacity
> > sun.gc.generation.0.space.2.used
> > sun.gc.generation.0.space.2.initCapacity
> > sun.gc.generation.1.name
> > sun.gc.generation.1.spaces
> > sun.gc.generation.1.minCapacity
> > sun.gc.generation.1.maxCapacity
> > sun.gc.generation.1.capacity
> > sun.gc.generation.1.space.0.name
> > sun.gc.generation.1.space.0.maxCapacity
> > sun.gc.generation.1.space.0.capacity
> > sun.gc.generation.1.space.0.used
> > sun.gc.generation.1.space.0.initCapacity
> > sun.gc.generation.2.name
> > perm
> > sun.gc.generation.2.spaces
> > sun.gc.generation.2.minCapacity
> > sun.gc.generation.2.maxCapacity
> > sun.gc.generation.2.capacity
> > sun.gc.generation.2.space.0.name
> > perm
> > sun.gc.generation.2.space.0.maxCapacity
> > sun.gc.generation.2.space.0.capacity
> > sun.gc.generation.2.space.0.used
> > sun.gc.generation.2.space.0.initCapacity
> > sun.gc.policy.name
> > ParScav:MSC
> > sun.gc.policy.collectors
> > sun.gc.policy.generations
> > sun.gc.policy.maxTenuringThreshold
> > sun.gc.policy.tenuringThreshold
> > sun.gc.policy.desiredSurvivorSize
> > sun.gc.policy.edenSize
> > sun.gc.policy.promoSize
> > sun.gc.policy.oldPromoSize
> > sun.gc.policy.oldEdenSize
> > sun.gc.policy.oldCapacity
> > sun.gc.policy.youngCapacity
> > sun.gc.policy.boundaryMoved
> > sun.gc.policy.avgSurvivedAvg
> > sun.gc.policy.avgSurvivedDev
> > sun.gc.policy.avgSurvivedPaddedAvg
> > sun.gc.policy.avgPromotedAvg
> > sun.gc.policy.avgPromotedDev
> > sun.gc.policy.avgPromotedPaddedAvg
> > sun.gc.policy.avgPretenuredPaddedAvg
> > sun.gc.policy.survived
> > sun.gc.policy.promoted
> > sun.gc.policy.survivorOverflowed
> > sun.gc.policy.decrementTenuringThresholdForGcCost
> > sun.gc.policy.incrementTenuringThresholdForGcCost
> > sun.gc.policy.decrementTenuringThresholdForSurvivorLimit
> > sun.gc.policy.changeOldGenForMajPauses
> > sun.gc.policy.changeYoungGenForMinPauses
> > sun.gc.policy.changeYoungGenForMajPauses
> > sun.gc.policy.changeOldGenForMinPauses
> > sun.gc.policy.increaseOldGenForThroughput
> > sun.gc.policy.increaseYoungGenForThroughput
> > sun.gc.policy.decreaseForFootprint
> > sun.gc.policy.decideAtFullGc
> > sun.gc.policy.avgMinorPauseTime
> > sun.gc.policy.avgMajorPauseTime
> > sun.gc.policy.avgMinorIntervalTime
> > sun.gc.policy.avgMajorIntervalTime
> > sun.gc.policy.minorGcCost
> > sun.gc.policy.majorGcCost
> > sun.gc.policy.mutatorCost
> > sun.gc.policy.liveSpace
> > sun.gc.policy.freeSpace
> > sun.gc.policy.avgBaseFootprint
> > sun.gc.policy.avgYoungLive
> > sun.gc.policy.avgOldLive
> > sun.gc.policy.gcTimeLimitExceeded
> > sun.gc.policy.liveAtLastFullGc
> > sun.gc.policy.majorPauseOldSlope
> > sun.gc.policy.minorPauseOldSlope
> > sun.gc.policy.majorPauseYoungSlope
> > sun.gc.policy.minorPauseYoungSlope
> > sun.gc.policy.majorCollectionSlope
> > sun.gc.policy.minorCollectionSlope
> > sun.gc.policy.scavengeSkipped
> > sun.gc.policy.fullFollowsScavenge
> > sun.gc.tlab.allocThreads
> > sun.gc.tlab.fills
> > sun.gc.tlab.maxFills
> > sun.gc.tlab.alloc
> > sun.gc.tlab.gcWaste
> > sun.gc.tlab.maxGcWaste
> > sun.gc.tlab.slowWaste
> > sun.gc.tlab.maxSlowWaste
> > sun.gc.tlab.fastWaste
> > sun.gc.tlab.maxFastWaste
> > sun.gc.tlab.slowAlloc
> > sun.gc.tlab.maxSlowAlloc
> > sun.gc.collector.0.name
> > PSScavenge
> > sun.gc.collector.0.invocations
> > sun.gc.collector.0.time
> > sun.gc.collector.0.lastEntryTime
> > sun.gc.collector.0.lastExitTime
> > sun.gc.collector.1.name
> > PSMarkSweep
> > sun.gc.collector.1.invocations
> > sun.gc.collector.1.time
> > sun.gc.collector.1.lastEntryTime
> > sun.gc.collector.1.lastExitTime
> > sun.threads.vmOperationTime
> > sun.ci.adapterThread.method
> > sun.ci.adapterThread.type
> > sun.ci.adapterThread.time
> > sun.ci.adapterThread.compiles
> > sun.ci.compilerThread.0.method
> > sun.ci.compilerThread.0.type
> > sun.ci.compilerThread.0.time
> > sun.ci.compilerThread.0.compiles
> > sun.ci.compilerThread.1.method
> > sun.ci.compilerThread.1.type
> > sun.ci.compilerThread.1.time
> > sun.ci.compilerThread.1.compiles
> > sun.ci.threads
> > java.ci.totalTime
> > sun.ci.nativeTime
> > sun.ci.osrTime
> > sun.ci.standardTime
> > sun.ci.totalBailouts
> > sun.ci.totalInvalidates
> > sun.ci.totalCompiles
> > sun.ci.nativeCompiles
> > sun.ci.osrCompiles
> > sun.ci.standardCompiles
> > sun.ci.osrBytes
> > sun.ci.standardBytes
> > sun.ci.nmethodSize
> > sun.ci.nmethodCodeSize
> > sun.ci.lastMethod
> > org/hibernate/persister/entity/AbstractEntityPersister hasProxy
> > sun.ci.lastFailedMethod
> > sun.ci.lastInvalidatedMethod
> > sun.ci.lastType
> > sun.ci.lastSize
> > sun.ci.lastFailedType
> > sun.ci.lastInvalidatedType
> > sun.os.hrt.frequency
> > java.property.java.vm.specification.version
> > java.property.java.vm.specification.name
> > Java Virtual Machine Specification
> > java.property.java.vm.specification.vendor
> > Sun Microsystems Inc.
> > java.property.java.vm.version
> > 1.5.0_11-b03
> > java.property.java.vm.name
> > Java HotSpot(TM) Server VM
> > java.property.java.vm.vendor
> > Sun Microsystems Inc.
> > java.property.java.vm.info
> > mixed mode
> > java.property.java.library.path
> > /usr/local/jdk1.5.0_11/jre/lib/i386/server:/usr/local/jdk1.5.0_11/jre/lib/i386:/usr/local/jdk1.5.0_11/jre/../lib/i386:/usr/local/tomcat5/bin
> >
> > java.property.java.class.path
> > :/usr/local/tomcat5/bin/bootstrap.jar:/usr/local/tomcat5/bin/commons-
> > logging-api.jar
> > java.property.java.endorsed.dirs
> > /usr/local/tomcat5/common/endorsed
> > java.property.java.ext.dirs
> > /usr/local/jdk1.5.0_11/jre/lib/ext
> > java.property.java.home
> > /usr/local/jdk1.5.0_11/jre
> > sun.property.sun.boot.class.path
> > /usr/local/tomcat5/common/endorsed/rowset.jar:/usr/local/jdk1.5.0_11/jre/lib/rt.jar:/usr/local/jdk1.5.0_11/jre/lib/i18n.jar:/usr/local/jdk1.5.0_11/jre/lib/sunrsasign.jar:/usr/local/jdk1.5.0_11/jre/lib/jsse.jar:/usr/local/jdk1.5.0_11/jre/lib/jce.jar:/usr/local/jdk1.5.0_11/jre/lib/charsets.jar:/usr/local/jdk1.5.0_11/jre/classes
> >
> > sun.property.sun.boot.library.path
> > /usr/local/jdk1.5.0_11/jre/lib/i386
> > java.rt.vmFlags
> > java.rt.vmArgs
> > -Xms64m -Xmx200m -Xss512k -
> > Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -
> > Djava.util.logging.config.file=/alert/training/tomcatvw/conf/logging.properties-
> > Dorg.xml.sax.driver=org.apache.xerces.parsers.SAXParser -
> > Doracle.jdbc.V8Compatible=true -
> > Doracledatabasemetadata.get_lob_precision=false -
> > Djava.endorsed.dirs=/usr/local/tomcat5/common/endorsed -
> > Dcatalina.base=/alert/training/tomcatvw -
> > Dcatalina.home=/usr/local/tomcat5 -
> > Djava.io.tmpdir=/alert/training/tomcatvw/temp
> > sun.rt.javaCommand
> > org.apache.catalina.startup.Bootstrap start
> > sun.rt.internalVersion
> > Java HotSpot(TM) Server VM (1.5.0_11-b03 ) for linux-x86, built on Dec
> > 15 2006 01:12:32 by java_re with gcc 3.2.1-7a (J2SE release)
> > sun.os.hrt.ticks
> >
> >
> >
> >  On 7/12/07, Ingo Krabbe <ikrabbe.ask@web.de > wrote:
> > >
> > >
> > > We happend to have similar problems when starting with tomcat.  Our
> > > main error
> > > was a failing connection to the database, while the connector had it's
> > > retry
> > > flag on.  So the answer to each request was, trying to connect to a
> > > unconnectable database until the timeout has been reached, which is
> > > too long
> > > for any busy site of course.
> > >
> > > Before you examine all your threads you should test your application
> > > for such
> > > errors that delay the answer to requests.
> > >
> > > Maybe you should also try to build a test setup, answering very simple
> > > to your
> > > requests (hello, world) and push in one application module each time
> > > to see
> > > at which state your application breaks.
> > >
> > > When you get this error very fast the error should occure at one quite
> > > central
> > > point in your code.
> > >
> > > Also consult access and error logs of the tomcat process (catalina.outand
> > > similar).
> > >
> > > Writing your own log files by your jsp pages is also quite helpfull
> > > sometimes.
> > >
> > > Am Donnerstag, 12. Juli 2007 15:02 schrieb André Vila Cova:
> > > > Hi!
> > > >
> > > > I've this two processes:
> > > >
> > > > tomcat    6404  0.0  2.6 484396 105456 ?     Sl   01:05   0:14
> > > > /usr/local/java1.5/bin/java -Xms64m -Xmx200m -Xss512k -
> > > > Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -
> > > > Djava.util.logging.conf
> > > > tomcat    6555  0.1  3.8 516420 154452 ?     Sl   01:09   0:39
> > > > /usr/local/java1.5/bin/java -Xms64m -Xmx200m -Xss512k -
> > > > Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -
> > > > Djava.util.logging.conf
> > > >
> > > > Output is null when I execute the following command:
> > > > [root@alertapp01 ~]# kill -QUIT 6404
> > > > [root@alertapp01 ~]#
> > > >
> > > > How can I see what thread is doing?
> > > >
> > > > Thank You
> > > >
> > > > On 7/11/07, Titi Wangsa < blacksnow666@gmail.com> wrote:
> > > > > probably some threads are performing database operation
> > > > > and it takes too long so new threads are being spawned,
> > > > > the new threads are also taking too long, so newer threads are
> > > being
> > > > > spawned.
> > > > > too much spawning,  that is what is causing the limit break.
> > > > >
> > > > > On 7/12/07, André Vila Cova < andremailinglist@gmail.com >
wrote:
> > > > > > I don't think so... I will see..but, why i get the error?
> > > > > > SEVERE: All threads (200) are currently *busy*, waiting.
> > > *Increase
> > > > > >
> > > > > > On 7/11/07, Mladen Turk < mladen.turk@gmail.com> wrote:
> > > > > > > André Vila Cova wrote:
> > > > > > > > Hello!
> > > > > > > >
> > > > > > > > I get lot of times the following error:
> > > > > > > >
> > > > > > > > SEVERE: All threads (200) are currently *busy*, waiting.
> > > *Increase
> > > > > > > > maxThreads*
> > > > > > > > **
> > > > > > > > *Strange is that i've configured in server.xml the
following
> > > > > > > > (maxThreads=400):*
> > > > > > > > *
> > > > > > >
> > > > > > > You have probably done that for a wrong connector.
> > > > > > >
> > > > > > > Regards,
> > > > > > > Mladen.
> > > > > > >
> > > > > > >
> > > ---------------------------------------------------------------------
> > > > > > > To start a new topic, e-mail: users@tomcat.apache.org
> > > > > > > To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
> > > > > > > For additional commands, e-mail: users-help@tomcat.apache.org
> > >
> > > --
> > > ==================================================
> > > Ingo Krabbe                     ASK UNIX Systems
> > > Burggrafenstraße 3
> > > 44139 Dortmund
> > >
> > > Telefon         0231 4770185
> > > FAX             0231 4770186
> > > E-Mail          ikrabbe.ask@web.de
> > > Fingerprint     EE5A 6533 EE5E 8F66 EC20 C56A 35FC
> > >                B736 18FD EB5A
> > > ==================================================
> > >
> >
> >
>

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