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Thread: Table component throwing Unable to get list of instantiated value meta plugin classes

  1. #1

    Default Table component throwing Unable to get list of instantiated value meta plugin classes

    Hi All,

    I am using pentaho kettle "PDI-CE -5.4.0.1-130" .Whenever a job is running,table component is throwing the following exceptions.

    Unable to get list of instantiated value meta plugin classes
    at java.lang.Thread.run (Thread.java:745)
    at org.pentaho.di.trans.step.RunThread.run (RunThread.java:62)
    at org.pentaho.di.trans.steps.tableinput.TableInput.processRow (TableInput.java:138)
    at org.pentaho.di.trans.steps.tableinput.TableInput.doQuery (TableInput.java:224)
    at org.pentaho.di.core.database.Database.openQuery (Database.java:1720)
    at org.pentaho.di.core.database.Database.getRowInfo (Database.java:2237)
    at org.pentaho.di.core.database.Database.getValueFromSQLType (Database.java:2259)
    at java.util.Collections.sort (Collections.java:175)
    at java.util.ArrayList.sort (ArrayList.java:1456)


    at org.pentaho.di.core.database.Database.openQuery(Database.java:1724)
    at org.pentaho.di.trans.steps.tableinput.TableInput.doQuery(TableInput.java:224)
    at org.pentaho.di.trans.steps.tableinput.TableInput.processRow(TableInput.java:138)
    at org.pentaho.di.trans.step.RunThread.run(RunThread.java:62)
    at java.lang.Thread.run(Thread.java:745)

    Caused by: org.pentaho.di.core.exception.KettleDatabaseException:
    Unable to get list of instantiated value meta plugin classes
    at java.lang.Thread.run (Thread.java:745)
    at org.pentaho.di.trans.step.RunThread.run (RunThread.java:62)
    at org.pentaho.di.trans.steps.tableinput.TableInput.processRow (TableInput.java:138)
    at org.pentaho.di.trans.steps.tableinput.TableInput.doQuery (TableInput.java:224)
    at org.pentaho.di.core.database.Database.openQuery (Database.java:1720)
    at org.pentaho.di.core.database.Database.getRowInfo (Database.java:2237)
    at org.pentaho.di.core.database.Database.getValueFromSQLType (Database.java:2259)
    at java.util.Collections.sort (Collections.java:175)
    at java.util.ArrayList.sort (ArrayList.java:1456)

    at org.pentaho.di.core.database.Database.getValueFromSQLType(Database.java:2267)

    at org.pentaho.di.core.database.Database.getRowInfo(Database.java:2237)

    at org.pentaho.di.core.database.Database.openQuery(Database.java:1720)

    ... 4 more

    Caused by: java.util.ConcurrentModificationException
    at java.util.ArrayList.sort(ArrayList.java:1456)

    at java.util.Collections.sort(Collections.java:175)

    at org.pentaho.di.core.database.Database.getValueFromSQLType(Database.java:2259)

    Note : When we reran the same job it has got completed without throwing any exceptions. It has happened 2 to 3 times.


    So we would like to know the root cause of this issue and it would be very helpful for us if we receive any resolution for this.

    Thanks in advance.

    Regards,
    Saba

  2. #2

    Default

    Can someone help me on this database exception issue?

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