java.lang.OutOfMemoryError: Java heap space." > Could anyone help me understand what is causing this problem and how to > remedy this problem? Copy of few lines from "output.log" file. > "Executing command: /opt/opennms/bin/runjava -r -- > -Dopennms.home=/opt/opennms -Xmx256m -jar > /opt/opennms/lib/opennms_bootstrap.jar start > Exception in thread "Timer-3411" java.util.ConcurrentModificationException >      at java.util.Hashtable$Enumerator.next(Hashtable.java:1020) >      at org.snmp4j.Snmp.close(Unknown Source) >      at > org.opennms.netmgt.snmp.snmp4j.Snmp4JWalker.close(Snmp4JWalker.java:223) >      at org.opennms.netmgt.snmp.SnmpWalker.finish(SnmpWalker.java:149) >      at > org.opennms.netmgt.snmp.SnmpWalker.handleTimeout(SnmpWalker.java:143) >      at > org.opennms.netmgt.snmp.snmp4j.Snmp4JWalker.access$1000(Snmp4JWalker.java:58) >      at > org.opennms.netmgt.snmp.snmp4j.Snmp4JWalker$Snmp4JResponseListener.onResponse(Snmp4JWalker.java:163) > at org.snmp4j.Snmp$PendingRequest.run(Unknown Source)

nabble.com | 4 months ago
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    OpenNMS - discuss - java.lang.OutOfMemoryError: Java heap space

    nabble.com | 4 months ago
    java.lang.OutOfMemoryError: Java heap space." > Could anyone help me understand what is causing this problem and how to > remedy this problem? Copy of few lines from "output.log" file. > "Executing command: /opt/opennms/bin/runjava -r -- > -Dopennms.home=/opt/opennms -Xmx256m -jar > /opt/opennms/lib/opennms_bootstrap.jar start > Exception in thread "Timer-3411" java.util.ConcurrentModificationException >      at java.util.Hashtable$Enumerator.next(Hashtable.java:1020) >      at org.snmp4j.Snmp.close(Unknown Source) >      at > org.opennms.netmgt.snmp.snmp4j.Snmp4JWalker.close(Snmp4JWalker.java:223) >      at org.opennms.netmgt.snmp.SnmpWalker.finish(SnmpWalker.java:149) >      at > org.opennms.netmgt.snmp.SnmpWalker.handleTimeout(SnmpWalker.java:143) >      at > org.opennms.netmgt.snmp.snmp4j.Snmp4JWalker.access$1000(Snmp4JWalker.java:58) >      at > org.opennms.netmgt.snmp.snmp4j.Snmp4JWalker$Snmp4JResponseListener.onResponse(Snmp4JWalker.java:163) > at org.snmp4j.Snmp$PendingRequest.run(Unknown Source)
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    java.lang.OutOfMemoryError: Java heap space
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    OpenNMS - discuss - java.lang.OutOfMemoryError: Java heap space

    nabble.com | 4 months ago
    java.lang.OutOfMemoryError: Java heap space." Could anyone help me understand what is causing this problem and how to remedy this problem? Copy of few lines from "output.log" file. "Executing command: /opt/opennms/bin/runjava -r -- -Dopennms.home=/opt/opennms -Xmx256m -jar /opt/opennms/lib/opennms_bootstrap.jar start Exception in thread "Timer-3411" java.util.ConcurrentModificationException      at java.util.Hashtable$Enumerator.next(Hashtable.java:1020)      at org.snmp4j.Snmp.close(Unknown Source)      at org.opennms.netmgt.snmp.snmp4j.Snmp4JWalker.close(Snmp4JWalker.java:223)      at org.opennms.netmgt.snmp.SnmpWalker.finish(SnmpWalker.java:149)      at org.opennms.netmgt.snmp.SnmpWalker.handleTimeout(SnmpWalker.java:143)      at org.opennms.netmgt.snmp.snmp4j.Snmp4JWalker.access$1000(Snmp4JWalker.java:58)      at org.opennms.netmgt.snmp.snmp4j.Snmp4JWalker$Snmp4JResponseListener.onResponse(Snmp4JWalker.java:163)
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    OpenNMS - discuss - java.lang.OutOfMemoryError: Java heap space

    nabble.com | 4 months ago
    java.lang.OutOfMemoryError: Java heap space." Could anyone help me understand what is causing this problem and how to remedy this problem? Copy of few lines from "output.log" file. "Executing command: /opt/opennms/bin/runjava -r -- -Dopennms.home=/opt/opennms -Xmx256m -jar /opt/opennms/lib/opennms_bootstrap.jar start Exception in thread "Timer-3411" java.util.ConcurrentModificationException     at java.util.Hashtable$Enumerator.next(Hashtable.java:1020)     at org.snmp4j.Snmp.close(Unknown Source)     at org.opennms.netmgt.snmp.snmp4j.Snmp4JWalker.close(Snmp4JWalker.java:223)     at org.opennms.netmgt.snmp.SnmpWalker.finish(SnmpWalker.java:149)     at org.opennms.netmgt.snmp.SnmpWalker.handleTimeout(SnmpWalker.java:143)     at org.opennms.netmgt.snmp.snmp4j.Snmp4JWalker.access$1000(Snmp4JWalker.java:58)     at org.opennms.netmgt.snmp.snmp4j.Snmp4JWalker$Snmp4JResponseListener.onResponse(Snmp4JWalker.java:163)
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    OpenNMS - discuss - possible opennms problem

    nabble.com | 11 months ago
    java.lang.OutOfMemoryError: GC overhead limit exceeded > > java.lang.NullPointerException at > org.opennms.netmgt.snmp.snmp4j.Snmp4JWalker$Snmp4JResponseListener.onResponse(Snmp4JWalker.java:157)

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    Root Cause Analysis

    1. java.lang.OutOfMemoryError

      Java heap space." > Could anyone help me understand what is causing this problem and how to > remedy this problem? Copy of few lines from "output.log" file. > "Executing command: /opt/opennms/bin/runjava -r -- > -Dopennms.home=/opt/opennms -Xmx256m -jar > /opt/opennms/lib/opennms_bootstrap.jar start > Exception in thread "Timer-3411" java.util.ConcurrentModificationException >      at java.util.Hashtable$Enumerator.next(Hashtable.java:1020) >      at org.snmp4j.Snmp.close(Unknown Source) >      at > org.opennms.netmgt.snmp.snmp4j.Snmp4JWalker.close(Snmp4JWalker.java:223) >      at org.opennms.netmgt.snmp.SnmpWalker.finish(SnmpWalker.java:149) >      at > org.opennms.netmgt.snmp.SnmpWalker.handleTimeout(SnmpWalker.java:143) >      at > org.opennms.netmgt.snmp.snmp4j.Snmp4JWalker.access$1000(Snmp4JWalker.java:58) >      at > org.opennms.netmgt.snmp.snmp4j.Snmp4JWalker$Snmp4JResponseListener.onResponse(Snmp4JWalker.java:163) > at org.snmp4j.Snmp$PendingRequest.run(Unknown Source)

      at java.util.TimerThread.mainLoop()
    2. Java RT
      TimerThread.run
      1. java.util.TimerThread.mainLoop(Timer.java:512)
      2. java.util.TimerThread.run(Timer.java:462)
      2 frames