IBM Support

IV98932: /VAR/LOG/ PARTITION CAN BECOME FILLED DUE TO REPEATED TEST EXCEPTION MESSAGES BEING LOGGED

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APAR status

  • Closed as program error.

Error description

  • It has been observed in some customer environments that
    /var/log/qradar.log can become populated with repeated test
    exception messages.
    When this occurs, the /var/log/ partition can quickly become
    filled over the 95% threshold where QRadar services are then
    stopped.
    
    Messages similar to the following might be visible in
    /var/log/qradar.log when this issue is occurring:
    [ecs-ep] [CRE Processor [8]] java.
    lang.IllegalStateException: Entry.next=null,
    data[removeIndex]=null
    previous=null key=127.0.0.1 value=package
    com.q1labs.semsources.cre.
    tests.gen.RuleSequence_DestinationIP_In@51be8fe7 size=25000
    maxSize=25000 Please check that your keys are immutable, and
    that you
    have used synchronization properly. If so, then please report
    this to
    commons-dev@.apache.org as a bug.
    [ecs-ep] [CRE Processor [8]]    at
    org.apache.commons.collections.map.LRUMap.reuseMapping(LRUMap.ja
    va:301)
    [ecs-ep] [CRE Processor [8]]    at
    com.q1labs.frameworks.cache.LFUMap.reuseMapping(LFUMap.java:263)
    [ecs-ep] [CRE Processor [8]]    at
    org.apache.commons.collections.map.LRUMap.addMapping(LRUMap.java
    :267)
    [ecs-ep] [CRE Processor [8]]    at
    org.apache.commons.collections.map.AbstractHashedMap.put
    (AbstractHashedMap.java:284)
    [ecs-ep] [CRE Processor [8]]    at
    com.q1labs.frameworks.cache.LFUMap.put(LFUMap.java:226)
    [ecs-ep] [CRE Processor [8]]    at
    com.q1labs.semsources.cre.tests.DoubleSequenceFunction_Test.test
    (DoubleSequenceFunction_Test.java:235)
    [ecs-ep] [CRE Processor [8]]    at
    com.q1labs.semsources.cre.tests.CREStatefulEventTest.test
    (CREStatefulEventTest.java:81)
    [ecs-ep] [CRE Processor [8]]    at
    com.q1labs.semsources.cre.gen.TestExecutor_1_1.test(TestExecutor
    _1_1.
    java)
    [ecs-ep] [CRE Processor [8]]    at
    com.q1labs.semsources.cre.CustomRule.test(CustomRule.java:480)
    [ecs-ep] [CRE Processor [8]]    at
    com.q1labs.semsources.cre.CustomRule.test(CustomRule.java:437)
    [ecs-ep] [CRE Processor [8]]    at
    com.q1labs.semsources.cre.CustomRuleSetExecutor.testRule
    (CustomRuleSetExecutor.java:294)
    [ecs-ep] [CRE Processor [8]]    at
    com.q1labs.semsources.cre.gen.RuleSetExecutor_1_AllEvent.test
    (RuleSetExecutor_1_AllEvent.java)
    [ecs-ep] [CRE Processor [8]]    at
    com.q1labs.semsources.cre.CRERuleExecutor.processEventInAllMode
    (CRERuleExecutor.java:177)
    [ecs-ep] [CRE Processor [8]]    at
    com.q1labs.semsources.cre.GlobalRuleExecutor.processEvent
    (GlobalRuleExecutor.java:204)
    [ecs-ep] [CRE Processor [8]]    at
    com.q1labs.semsources.cre.CREEventProcessor.processEvent
    (CustomRuleEngine.java:441)
    [ecs-ep] [CRE Processor [8]]    at
    com.q1labs.semsources.cre.CREEventProcessor.run(CustomRuleEngine
    .java:
    384)
    [ecs-ep] [CRE Processor [4]] com.
    q1labs.semsources.cre.tests.DoubleSequenceFunction_Test:
    [ERROR] [NOT:
    0000003000][172.31.32.202/- -] [-/- -]sequence1KeyCreator is
    com.q1labs.
    core.types.event.NormalizedEventProperties$DestinationIP,
    seq1HashKey
    is com.q1labs.core.dao.util.Host, seq1HashKey == 127.0.0.1,
    sequence1 is package com.q1labs.semsources.cre.tests.gen.
    RuleSequence_DestinationIP_In@86593394
    [ecs-ep] [CRE Processor [4]] java.
    lang.IllegalStateException: Entry.next=null,
    data[removeIndex]=null
    previous=null key=127.0.0.1 value=package
    com.q1labs.semsources.cre.
    tests.gen.RuleSequence_DestinationIP_In@86593394 size=25000
    maxSize=25000 Please check that your keys are immutable, and
    that you
    have used synchronization properly. If so, then please report
    this to
    commons-dev@.apache.org as a bug.^C
    [ecs-ep] [CRE Processor [4]]    at
    org.apache.commons.collections.map.LRUMap.reuseMapping(LRUMap.ja
    va:301)
    [ecs-ep] [CRE Processor [4]]    at
    com.q1labs.frameworks.cache.LFUMap.reuseMapping(LFUMap.java:263)
    [ecs-ep] [CRE Processor [4]]    at
    org.apache.commons.collections.map.LRUMap.addMapping(LRUMap.java
    :267)
    [ecs-ep] [CRE Processor [4]]    at
    org.apache.commons.collections.map.AbstractHashedMap.put
    (AbstractHashedMap.java:284)
    [ecs-ep] [CRE Processor [4]]    at
    com.q1labs.frameworks.cache.LFUMap.put(LFUMap.java:226)
    [ecs-ep] [CRE Processor [4]]    at
    com.q1labs.semsources.cre.tests.DoubleSequenceFunction_Test.test
    (DoubleSequenceFunction_Test.java:235)
    [ecs-ep] [CRE Processor [4]]    at
    com.q1labs.semsources.cre.tests.CREStatefulEventTest.test
    (CREStatefulEventTest.java:81)
    [ecs-ep] [CRE Processor [4]]    at
    com.q1labs.semsources.cre.gen.TestExecutor_1_1.test(TestExecutor
    _1_1.
    java)
    [ecs-ep] [CRE Processor [4]]    at
    com.q1labs.semsources.cre.CustomRule.test(CustomRule.java:480)
    [ecs-ep] [CRE Processor [4]]    at
    com.q1labs.semsources.cre.CustomRule.test
    

Local fix

  • Contact Support for a possible workaround that might address
    this issue in some instances.
    

Problem summary

  • This issue was fixed in QRadar QRM QVM release of 728 Patch 12
    and 731 Patch 5.
    

Problem conclusion

  • This issue was fixed in QRadar QRM QVM release of 728 Patch 12
    and 731 Patch 5.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV98932

  • Reported component name

    QRADAR SOFTWARE

  • Reported component ID

    5725QRDSW

  • Reported release

    728

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2017-08-10

  • Closed date

    2018-07-29

  • Last modified date

    2018-07-29

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

Fix information

  • Fixed component name

    QRADAR SOFTWARE

  • Fixed component ID

    5725QRDSW

Applicable component levels

[{"Business Unit":{"code":"BU048","label":"IBM Software"}, "Product":{"code":"SSBQAC","label":"IBM Security QRadar SIEM"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"728","Edition":""}]

Document Information

Modified date:
29 July 2018