IBM Support

PH30432: AUTOMATIONPLUGINMIGRATORLOOKUP HOLDS LOCK FOR TOO LONG

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APAR status

  • Closed as program error.

Error description

  • Blocking thread has stack:
    
    
    com/urbancode/ds/plugin/automation/AutomationPluginMigratorLooku
    p@0x0000000522EABF98: owner "WorkflowRuntime-5"
    (J9VMThread:0x0000000001E71500), entry count 1
    Line 8432: 3XMTHREADBLOCK Blocked on:
    com/urbancode/ds/plugin/automation/AutomationPluginMigratorLooku
    p@0x0000000522EABF98 Owned by: "WorkflowRuntime-5"
    (J9VMThread:0x0000000001E71500,
    java/lang/Thread:0x000000052150C878)
    Line 8435: 4XESTACKTRACE at
    com/urbancode/ds/plugin/automation/AutomationPluginMigratorLooku
    p.getAutomationPluginMigrator(AutomationPluginMigratorLookup.jav
    a:25(Compiled Code))
    Line 8435: 4XESTACKTRACE at
    com/urbancode/ds/plugin/automation/AutomationPluginMigratorLooku
    p.getAutomationPluginMigrator(AutomationPluginMigratorLookup.jav
    a:25(Compiled Code))
    Line 8436: 5XESTACKTRACE (entered lock:
    com/urbancode/ds/plugin/automation/AutomationPluginMigratorLooku
    p@0x0000000522EABF98, entry count: 1)
    Line 8878: 3XMTHREADBLOCK Blocked on:
    com/urbancode/ds/plugin/automation/AutomationPluginMigratorLooku
    p@0x0000000522EABF98 Owned by: "WorkflowRuntime-5"
    (J9VMThread:0x0000000001E71500,
    java/lang/Thread:0x000000052150C878)
    Line 8881: 4XESTACKTRACE at
    com/urbancode/ds/plugin/automation/AutomationPluginMigratorLooku
    p.getAutomationPluginMigrator(AutomationPluginMigratorLookup.jav
    a:25(Compiled Code))
    Line 8881: 4XESTACKTRACE at
    com/urbancode/ds/plugin/automation/AutomationPluginMigratorLooku
    p.getAutomationPluginMigrator(AutomationPluginMigratorLookup.jav
    a:25(Compiled Code))
    Line 8882: 5XESTACKTRACE (entered lock:
    com/urbancode/ds/plugin/automation/AutomationPluginMigratorLooku
    p@0x0000000522EABF98, entry count:
    

Local fix

  • Fix is provided to release the lock so that we would not hold it
    while loading the
    latest plugin and block calls for unrelated plugins.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All end users on all supported browsers.                     *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * Blocking thread has stack:                                   *
    *                                                              *
    *                                                              *
    * com/urbancode/ds/plugin/automation/AutomationPluginMigratorL *
    * ooku                                                         *
    * p@0x0000000522EABF98: owner "WorkflowRuntime-5"              *
    * (J9VMThread:0x0000000001E71500), entry count 1               *
    * Line 8432: 3XMTHREADBLOCK Blocked on:                        *
    * com/urbancode/ds/plugin/automation/AutomationPluginMigratorL *
    * ooku                                                         *
    * p@0x0000000522EABF98 Owned by: "WorkflowRuntime-5"           *
    * (J9VMThread:0x0000000001E71500,                              *
    * java/lang/Thread:0x000000052150C878)                         *
    * Line 8435: 4XESTACKTRACE at                                  *
    * com/urbancode/ds/plugin/automation/AutomationPluginMigratorL *
    * ooku                                                         *
    * p.getAutomationPluginMigrator(AutomationPluginMigratorLookup *
    * .jav                                                         *
    * a:25(Compiled Code))                                         *
    * Line 8435: 4XESTACKTRACE at                                  *
    * com/urbancode/ds/plugin/automation/AutomationPluginMigratorL *
    * ooku                                                         *
    * p.getAutomationPluginMigrator(AutomationPluginMigratorLookup *
    * .jav                                                         *
    * a:25(Compiled Code))                                         *
    * Line 8436: 5XESTACKTRACE (entered lock:                      *
    * com/urbancode/ds/plugin/automation/AutomationPluginMigratorL *
    * ooku                                                         *
    * p@0x0000000522EABF98, entry count: 1)                        *
    * Line 8878: 3XMTHREADBLOCK Blocked on:                        *
    * com/urbancode/ds/plugin/automation/AutomationPluginMigratorL *
    * ooku                                                         *
    * p@0x0000000522EABF98 Owned by: "WorkflowRuntime-5"           *
    * (J9VMThread:0x0000000001E71500,                              *
    * java/lang/Thread:0x000000052150C878)                         *
    * Line 8881: 4XESTACKTRACE at                                  *
    * com/urbancode/ds/plugin/automation/AutomationPluginMigratorL *
    * ooku                                                         *
    * p.getAutomationPluginMigrator(AutomationPluginMigratorLookup *
    * .jav                                                         *
    * a:25(Compiled Code))                                         *
    * Line 8881: 4XESTACKTRACE at                                  *
    * com/urbancode/ds/plugin/automation/AutomationPluginMigratorL *
    * ooku                                                         *
    * p.getAutomationPluginMigrator(AutomationPluginMigratorLookup *
    * .jav                                                         *
    * a:25(Compiled Code))                                         *
    * Line 8882: 5XESTACKTRACE (entered lock:                      *
    * com/urbancode/ds/plugin/automation/AutomationPluginMigratorL *
    * ooku                                                         *
    * p@0x0000000522EABF98, entry count:                           *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Fixed in version 7.1.1.1                                     *
    ****************************************************************
    

Problem conclusion

  • Fix is provided in IBM UrbanCode Deploy 7.1.1.1
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH30432

  • Reported component name

    UC DEPLOY

  • Reported component ID

    5725M5400

  • Reported release

    705

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2020-10-12

  • Closed date

    2020-11-16

  • Last modified date

    2020-11-16

  • 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

    UC DEPLOY

  • Fixed component ID

    5725M5400

Applicable component levels

[{"Line of Business":{"code":"LOB10","label":"Data and AI"},"Business Unit":{"code":"BU029","label":"Software"},"Product":{"code":"SS4GSP","label":"IBM UrbanCode Deploy"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"705"}]

Document Information

Modified date:
18 November 2020