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https://issues.apache.org/jira/browse/JCS-231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17525751#comment-17525751
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Andrea Vettori commented on JCS-231:
------------------------------------
Hello, thanks for looking into the issue.
With the current master I don't get the exception at startup. Let's see what
happens if I leave it running... I'll let you know.
Thank you!
> Lateral TCP cache goes in loop and consumes all available resources
> -------------------------------------------------------------------
>
> Key: JCS-231
> URL: https://issues.apache.org/jira/browse/JCS-231
> Project: Commons JCS
> Issue Type: Bug
> Affects Versions: jcs-3.1
> Environment: Linux, Tomcat 9, Adoption JDK 11
> Reporter: Andrea Vettori
> Assignee: Thomas Vandahl
> Priority: Major
>
> Hello, we upgraded from 3.0 to 3.1 and had to go back for the following
> problem.
> With this LTCP configuration
> {{jcs.auxiliary.LTCP=org.apache.commons.jcs3.auxiliary.lateral.socket.tcp.LateralTCPCacheFactory}}
> {{jcs.auxiliary.LTCP.attributes=org.apache.commons.jcs3.auxiliary.lateral.socket.tcp.TCPLateralCacheAttributes}}
> {{jcs.auxiliary.LTCP.attributes.TcpListenerPort=1120}}
> {{jcs.auxiliary.LTCP.attributes.UdpDiscoveryAddr=228.5.6.8}}
> {{jcs.auxiliary.LTCP.attributes.UdpDiscoveryPort=6782}}
> {{jcs.auxiliary.LTCP.attributes.UdpDiscoveryEnabled=true}}
> {{jcs.auxiliary.LTCP.attributes.Receive=true}}
> {{jcs.auxiliary.LTCP.attributes.AllowGet=false}}
> {{jcs.auxiliary.LTCP.attributes.IssueRemoveOnPut=false}}
>
> Most of the time JCS starts with the following logs
> {{{}16-Apr-2022 14:31:04.523 INFO [main]
> org.apache.commons.jcs3.auxiliary.AuxiliaryCacheConfigurator. Using standard
> serializer
> [org.apache.commons.jcs3.utils.serialization.StandardSerializer@22aa6570] for
> auxiliary [jcs.auxiliary.LTCP]{}}}{{{}16-Apr-2022 14:31:04.524 INFO [main]
> org.apache.commons.jcs3.auxiliary.lateral.socket.tcp.LateralTCPCacheFactory.
> Instance for [] is null, creating{}}}{{{}16-Apr-2022 14:31:04.524 INFO [main]
> org.apache.commons.jcs3.auxiliary.lateral.socket.tcp.LateralTCPCacheFactory.
> Creating TCP service, lca = :1120{}}}{{{}16-Apr-2022 14:31:04.531 SEVERE
> [main]
> org.apache.commons.jcs3.auxiliary.lateral.socket.tcp.LateralTCPService. Could
> not create sender to [] – Invalid address []{}}}{{{}16-Apr-2022 14:31:04.531
> SEVERE [main]
> org.apache.commons.jcs3.auxiliary.lateral.socket.tcp.LateralTCPCacheFactory.
> Failure, lateral instance will use zombie service{}}}{{
> java.io.IOException: Invalid address []}}{{ at
> org.apache.commons.jcs3.auxiliary.lateral.socket.tcp.LateralTCPSender.<init>(LateralTCPSender.java:104)}}{{
> at
> org.apache.commons.jcs3.auxiliary.lateral.socket.tcp.LateralTCPService.<init>(LateralTCPService.java:96)}}{{
> at
> org.apache.commons.jcs3.auxiliary.lateral.socket.tcp.LateralTCPCacheFactory.lambda$getCSNLInstance$0(LateralTCPCacheFactory.java:271)}}{{
> at
> java.base/java.util.concurrent.ConcurrentHashMap.compute(ConcurrentHashMap.java:1908)}}{{
> at
> org.apache.commons.jcs3.auxiliary.lateral.socket.tcp.LateralTCPCacheFactory.getCSNLInstance(LateralTCPCacheFactory.java:251)}}{{
> at
> org.apache.commons.jcs3.auxiliary.lateral.socket.tcp.LateralTCPCacheFactory.createCacheNoWait(LateralTCPCacheFactory.java:143)}}{{
> at
> org.apache.commons.jcs3.auxiliary.lateral.socket.tcp.LateralTCPCacheFactory.createCache(LateralTCPCacheFactory.java:110)}}{{
> at
> org.apache.commons.jcs3.auxiliary.lateral.socket.tcp.LateralTCPCacheFactory.createCache(LateralTCPCacheFactory.java:56)}}{{
> at
> org.apache.commons.jcs3.engine.control.CompositeCacheConfigurator.parseAuxiliary(CompositeCacheConfigurator.java:450)}}{{
> at
> org.apache.commons.jcs3.engine.control.CompositeCacheConfigurator.parseRegion(CompositeCacheConfigurator.java:234)}}{{
> at
> org.apache.commons.jcs3.engine.control.CompositeCacheConfigurator.parseRegion(CompositeCacheConfigurator.java:157)}}{{
> at
> org.apache.commons.jcs3.engine.control.CompositeCacheConfigurator.parseRegions(CompositeCacheConfigurator.java:135)}}{{
> at
> org.apache.commons.jcs3.engine.control.CompositeCacheManager.doConfigure(CompositeCacheManager.java:455)}}{{
> at
> org.apache.commons.jcs3.engine.control.CompositeCacheManager.configure(CompositeCacheManager.java:406)}}{{
> at
> org.apache.commons.jcs3.engine.control.CompositeCacheManager.configure(CompositeCacheManager.java:365)}}{{
> at
> org.apache.commons.jcs3.engine.control.CompositeCacheManager.configure(CompositeCacheManager.java:347)}}{{
> at
> org.apache.commons.jcs3.engine.control.CompositeCacheManager.configure(CompositeCacheManager.java:336)}}{{
> at
> org.apache.commons.jcs3.engine.control.CompositeCacheManager.getInstance(CompositeCacheManager.java:188)}}{{
> at
> org.apache.commons.jcs3.engine.control.CompositeCacheManager.getInstance(CompositeCacheManager.java:163)}}{{
> at
> org.apache.commons.jcs3.JCS.getCacheManager(JCS.java:126)}}{{
> at org.apache.commons.jcs3.JCS.getInstance(JCS.java:144)}}
>
> {{{}and then goes into a loop that after some time consumes all system
> resources{}}}{{{{}}{}}}
> {{{}16-Apr-2022 14:31:24.544 INFO [JCS-LateralCacheMonitor]
> org.apache.commons.jcs3.auxiliary.lateral.LateralCacheMonitor. Found
> LateralCacheNoWait in error, data{}}}{{{}16-Apr-2022 14:31:24.544 INFO
> [JCS-LateralCacheMonitor]
> org.apache.commons.jcs3.auxiliary.lateral.socket.tcp.LateralTCPCacheFactory.
> Disposing of zombie service instance for []{}}}{{{}16-Apr-2022 14:31:24.545
> INFO [JCS-LateralCacheMonitor]
> org.apache.commons.jcs3.auxiliary.lateral.socket.tcp.LateralTCPCacheFactory.
> Instance for [] is null, creating{}}}{{{}16-Apr-2022 14:31:24.545 INFO
> [JCS-LateralCacheMonitor]
> org.apache.commons.jcs3.auxiliary.lateral.socket.tcp.LateralTCPCacheFactory.
> Creating TCP service, lca = :1120{}}}{{{}16-Apr-2022 14:31:24.545 SEVERE
> [JCS-LateralCacheMonitor]
> org.apache.commons.jcs3.auxiliary.lateral.socket.tcp.LateralTCPService. Could
> not create sender to [] – Invalid address []{}}}{{{}16-Apr-2022 14:31:24.545
> SEVERE [JCS-LateralCacheMonitor]
> org.apache.commons.jcs3.auxiliary.lateral.socket.tcp.LateralTCPCacheFactory.
> Failure, lateral instance will use zombie service{}}}{{
> java.io.IOException: Invalid address []}}{{ at
> org.apache.commons.jcs3.auxiliary.lateral.socket.tcp.LateralTCPSender.<init>(LateralTCPSender.java:104)}}{{
> at
> org.apache.commons.jcs3.auxiliary.lateral.socket.tcp.LateralTCPService.<init>(LateralTCPService.java:96)}}{{
> at
> org.apache.commons.jcs3.auxiliary.lateral.socket.tcp.LateralTCPCacheFactory.lambda$getCSNLInstance$0(LateralTCPCacheFactory.java:271)}}{{
> at
> java.base/java.util.concurrent.ConcurrentHashMap.compute(ConcurrentHashMap.java:1932)}}{{
> at
> org.apache.commons.jcs3.auxiliary.lateral.socket.tcp.LateralTCPCacheFactory.getCSNLInstance(LateralTCPCacheFactory.java:251)}}{{
> at
> org.apache.commons.jcs3.auxiliary.lateral.LateralCacheMonitor.lambda$doWork$0(LateralCacheMonitor.java:124)}}{{
> at
> java.base/java.util.concurrent.ConcurrentHashMap.forEach(ConcurrentHashMap.java:1603)}}{{
> at
> org.apache.commons.jcs3.auxiliary.lateral.LateralCacheMonitor.doWork(LateralCacheMonitor.java:113)}}{{
> at
> org.apache.commons.jcs3.auxiliary.AbstractAuxiliaryCacheMonitor.run(AbstractAuxiliaryCacheMonitor.java:180)}}
>
> {{Even when JCS starts starts with no exception, after some time the second
> exception above begins to appear on the logs and takes the server down.}}
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