java.util.ConcurrentModificationException

Pentaho BI Platform Tracking | Evgeny Minkevich | 11 months ago
tip
Your exception is missing from the Samebug knowledge base.
Here are the best solutions we found on the Internet.
Click on the to mark the helpful solution and get rewards for you help.
  1. 0

    A job that has been running successfully on 5.0.2, when migrated to 5.4.0.4 started to fail: {code} 2016/03/27 04:40:09 - Get PDI Batch Id 2.0 - Finished processing (I=0, O=0, R=1, W=1, U=0, E=0) 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - ERROR (version 5.4.0.4-149, build 1 from 2015-09-17 09.58.29 by buildguy) : Unexpected error 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - ERROR (version 5.4.0.4-149, build 1 from 2015-09-17 09.58.29 by buildguy) : java.util.ConcurrentModificationException 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - at java.util.Hashtable$Enumerator.next(Hashtable.java:1167) 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - at java.util.HashMap.putAll(HashMap.java:642) 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - at org.pentaho.di.core.util.StringUtil.environmentSubstitute(StringUtil.java:238) 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - at org.pentaho.di.core.variables.Variables.environmentSubstitute(Variables.java:163) 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - at org.pentaho.di.base.AbstractMeta.environmentSubstitute(AbstractMeta.java:1182) 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - at org.pentaho.di.core.database.DatabaseMeta.environmentSubstitute(DatabaseMeta.java:2566) 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - at org.pentaho.di.core.database.DatabaseMeta.getQuotedSchemaTableCombination(DatabaseMeta.java:1538) 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - at org.pentaho.di.core.database.Database.getInsertStatement(Database.java:1210) 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - at org.pentaho.di.trans.steps.tableoutput.TableOutput.writeToTable(TableOutput.java:237) 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - at org.pentaho.di.trans.steps.tableoutput.TableOutput.processRow(TableOutput.java:118) 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - at org.pentaho.di.trans.step.RunThread.run(RunThread.java:62) 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - at java.lang.Thread.run(Thread.java:745) {code} The job is being executed concurrently. When I checked closer it seemed that Variables.java does not synchronise access to the Hashtable used for storing variables. When I have included synchronisation - all worked OK. Attaching the patch for version 5.4.0.4-R.

    Pentaho BI Platform Tracking | 11 months ago | Evgeny Minkevich
    java.util.ConcurrentModificationException
  2. 0

    A job that has been running successfully on 5.0.2, when migrated to 5.4.0.4 started to fail: {code} 2016/03/27 04:40:09 - Get PDI Batch Id 2.0 - Finished processing (I=0, O=0, R=1, W=1, U=0, E=0) 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - ERROR (version 5.4.0.4-149, build 1 from 2015-09-17 09.58.29 by buildguy) : Unexpected error 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - ERROR (version 5.4.0.4-149, build 1 from 2015-09-17 09.58.29 by buildguy) : java.util.ConcurrentModificationException 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - at java.util.Hashtable$Enumerator.next(Hashtable.java:1167) 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - at java.util.HashMap.putAll(HashMap.java:642) 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - at org.pentaho.di.core.util.StringUtil.environmentSubstitute(StringUtil.java:238) 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - at org.pentaho.di.core.variables.Variables.environmentSubstitute(Variables.java:163) 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - at org.pentaho.di.base.AbstractMeta.environmentSubstitute(AbstractMeta.java:1182) 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - at org.pentaho.di.core.database.DatabaseMeta.environmentSubstitute(DatabaseMeta.java:2566) 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - at org.pentaho.di.core.database.DatabaseMeta.getQuotedSchemaTableCombination(DatabaseMeta.java:1538) 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - at org.pentaho.di.core.database.Database.getInsertStatement(Database.java:1210) 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - at org.pentaho.di.trans.steps.tableoutput.TableOutput.writeToTable(TableOutput.java:237) 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - at org.pentaho.di.trans.steps.tableoutput.TableOutput.processRow(TableOutput.java:118) 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - at org.pentaho.di.trans.step.RunThread.run(RunThread.java:62) 2016/03/27 04:40:09 - Load SKI to loadP_SKI_Cust_au.0 - at java.lang.Thread.run(Thread.java:745) {code} The job is being executed concurrently. When I checked closer it seemed that Variables.java does not synchronise access to the Hashtable used for storing variables. When I have included synchronisation - all worked OK. Attaching the patch for version 5.4.0.4-R.

    Pentaho BI Platform Tracking | 11 months ago | Evgeny Minkevich
    java.util.ConcurrentModificationException
  3. 0

    ConcurrentModificationException

    GitHub | 3 years ago | sytolk
    java.util.ConcurrentModificationException
  4. Speed up your debug routine!

    Automated exception search integrated into your IDE

    1 unregistered visitors
    Not finding the right solution?
    Take a tour to get the most out of Samebug.

    Tired of useless tips?

    Automated exception search integrated into your IDE

    Root Cause Analysis

    1. java.util.ConcurrentModificationException

      No message provided

      at java.util.Hashtable$Enumerator.next()
    2. Java RT
      HashMap.putAll
      1. java.util.Hashtable$Enumerator.next(Hashtable.java:1167)
      2. java.util.HashMap.putAll(HashMap.java:642)
      2 frames
    3. org.pentaho.di
      RunThread.run
      1. org.pentaho.di.core.util.StringUtil.environmentSubstitute(StringUtil.java:238)
      2. org.pentaho.di.core.variables.Variables.environmentSubstitute(Variables.java:163)
      3. org.pentaho.di.base.AbstractMeta.environmentSubstitute(AbstractMeta.java:1182)
      4. org.pentaho.di.core.database.DatabaseMeta.environmentSubstitute(DatabaseMeta.java:2566)
      5. org.pentaho.di.core.database.DatabaseMeta.getQuotedSchemaTableCombination(DatabaseMeta.java:1538)
      6. org.pentaho.di.core.database.Database.getInsertStatement(Database.java:1210)
      7. org.pentaho.di.trans.steps.tableoutput.TableOutput.writeToTable(TableOutput.java:237)
      8. org.pentaho.di.trans.steps.tableoutput.TableOutput.processRow(TableOutput.java:118)
      9. org.pentaho.di.trans.step.RunThread.run(RunThread.java:62)
      9 frames
    4. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame