org.pentaho.di.core.exception.KettleException: A problem occurred whilst trying to deserialize Knowledge Flow file at java.lang.Thread.run (Thread.java:745) at org.pentaho.di.trans.step.RunThread.run (RunThread.java:62) at org.pentaho.di.kf.KF.processRow (KF.java:364) at org.pentaho.di.kf.KFData.loadSerializedKF (KFData.java:456) at weka.gui.beans.xml.XMLBeans.<init> (XMLBeans.java:267) at weka.gui.beans.xml.XMLBeans.<init> (XMLBeans.java:280) at weka.core.xml.XMLBasicSerialization.<init> (XMLBasicSerialization.java:91) at weka.core.xml.XMLSerialization.<init> (XMLSerialization.java:213) at weka.gui.beans.xml.XMLBeans.clear (XMLBeans.java:325) at weka.core.xml.XMLBasicSerialization.clear (XMLBasicSerialization.java:103) at weka.core.xml.XMLSerialization.clear (XMLSerialization.java:237) at weka.core.xml.XMLDocument.<init> (XMLDocument.java:146) at javax.xml.xpath.XPathFactory.newInstance (XPathFactory.java:182) at javax.xml.xpath.XPathFactoryFinder.newFactory (XPathFactoryFinder.java:141) at javax.xml.xpath.XPathFactoryFinder._newFactory (XPathFactoryFinder.java:220) org.pentaho.di.kf.KF.processRow(KF.java:366) org.pentaho.di.trans.step.RunThread.run(RunThread.java:62) java.lang.Thread.run(Thread.java:745)

Pentaho BI Platform Tracking | Mark Hall | 1 year ago
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  1. 0

    It appears that a context classloader is not available from the plugin when launched under OSX + Oracle Java 1.7. XPathFactoryFinder throws an NPE when loading a Knowledge Flow layout from the step: {noformat} org.pentaho.di.core.exception.KettleException: A problem occurred whilst trying to deserialize Knowledge Flow file at java.lang.Thread.run (Thread.java:745) at org.pentaho.di.trans.step.RunThread.run (RunThread.java:62) at org.pentaho.di.kf.KF.processRow (KF.java:364) at org.pentaho.di.kf.KFData.loadSerializedKF (KFData.java:456) at weka.gui.beans.xml.XMLBeans.<init> (XMLBeans.java:267) at weka.gui.beans.xml.XMLBeans.<init> (XMLBeans.java:280) at weka.core.xml.XMLBasicSerialization.<init> (XMLBasicSerialization.java:91) at weka.core.xml.XMLSerialization.<init> (XMLSerialization.java:213) at weka.gui.beans.xml.XMLBeans.clear (XMLBeans.java:325) at weka.core.xml.XMLBasicSerialization.clear (XMLBasicSerialization.java:103) at weka.core.xml.XMLSerialization.clear (XMLSerialization.java:237) at weka.core.xml.XMLDocument.<init> (XMLDocument.java:146) at javax.xml.xpath.XPathFactory.newInstance (XPathFactory.java:182) at javax.xml.xpath.XPathFactoryFinder.newFactory (XPathFactoryFinder.java:141) at javax.xml.xpath.XPathFactoryFinder._newFactory (XPathFactoryFinder.java:220) org.pentaho.di.kf.KF.processRow(KF.java:366) org.pentaho.di.trans.step.RunThread.run(RunThread.java:62) java.lang.Thread.run(Thread.java:745) at org.pentaho.di.kf.KF.processRow(KF.java:366) at org.pentaho.di.trans.step.RunThread.run(RunThread.java:62) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.NullPointerException at javax.xml.xpath.XPathFactoryFinder._newFactory(XPathFactoryFinder.java:220) at javax.xml.xpath.XPathFactoryFinder.newFactory(XPathFactoryFinder.java:141) at javax.xml.xpath.XPathFactory.newInstance(XPathFactory.java:182) at weka.core.xml.XMLDocument.<init>(XMLDocument.java:146) at weka.core.xml.XMLSerialization.clear(XMLSerialization.java:237) at weka.core.xml.XMLBasicSerialization.clear(XMLBasicSerialization.java:103) at weka.gui.beans.xml.XMLBeans.clear(XMLBeans.java:325) at weka.core.xml.XMLSerialization.<init>(XMLSerialization.java:213) at weka.core.xml.XMLBasicSerialization.<init>(XMLBasicSerialization.java:91) at weka.gui.beans.xml.XMLBeans.<init>(XMLBeans.java:280) at weka.gui.beans.xml.XMLBeans.<init>(XMLBeans.java:267) at org.pentaho.di.kf.KFData.loadSerializedKF(KFData.java:456) at org.pentaho.di.kf.KF.processRow(KF.java:364) ... 2 more {noformat} This issue does not occur under Windows, just OSX. A similar issue occurs in PDI-14594.

    Pentaho BI Platform Tracking | 1 year ago | Mark Hall
    org.pentaho.di.core.exception.KettleException: A problem occurred whilst trying to deserialize Knowledge Flow file at java.lang.Thread.run (Thread.java:745) at org.pentaho.di.trans.step.RunThread.run (RunThread.java:62) at org.pentaho.di.kf.KF.processRow (KF.java:364) at org.pentaho.di.kf.KFData.loadSerializedKF (KFData.java:456) at weka.gui.beans.xml.XMLBeans.<init> (XMLBeans.java:267) at weka.gui.beans.xml.XMLBeans.<init> (XMLBeans.java:280) at weka.core.xml.XMLBasicSerialization.<init> (XMLBasicSerialization.java:91) at weka.core.xml.XMLSerialization.<init> (XMLSerialization.java:213) at weka.gui.beans.xml.XMLBeans.clear (XMLBeans.java:325) at weka.core.xml.XMLBasicSerialization.clear (XMLBasicSerialization.java:103) at weka.core.xml.XMLSerialization.clear (XMLSerialization.java:237) at weka.core.xml.XMLDocument.<init> (XMLDocument.java:146) at javax.xml.xpath.XPathFactory.newInstance (XPathFactory.java:182) at javax.xml.xpath.XPathFactoryFinder.newFactory (XPathFactoryFinder.java:141) at javax.xml.xpath.XPathFactoryFinder._newFactory (XPathFactoryFinder.java:220) org.pentaho.di.kf.KF.processRow(KF.java:366) org.pentaho.di.trans.step.RunThread.run(RunThread.java:62) java.lang.Thread.run(Thread.java:745)
  2. 0

    It appears that a context classloader is not available from the plugin when launched under OSX + Oracle Java 1.7. XPathFactoryFinder throws an NPE when loading a Knowledge Flow layout from the step: {noformat} org.pentaho.di.core.exception.KettleException: A problem occurred whilst trying to deserialize Knowledge Flow file at java.lang.Thread.run (Thread.java:745) at org.pentaho.di.trans.step.RunThread.run (RunThread.java:62) at org.pentaho.di.kf.KF.processRow (KF.java:364) at org.pentaho.di.kf.KFData.loadSerializedKF (KFData.java:456) at weka.gui.beans.xml.XMLBeans.<init> (XMLBeans.java:267) at weka.gui.beans.xml.XMLBeans.<init> (XMLBeans.java:280) at weka.core.xml.XMLBasicSerialization.<init> (XMLBasicSerialization.java:91) at weka.core.xml.XMLSerialization.<init> (XMLSerialization.java:213) at weka.gui.beans.xml.XMLBeans.clear (XMLBeans.java:325) at weka.core.xml.XMLBasicSerialization.clear (XMLBasicSerialization.java:103) at weka.core.xml.XMLSerialization.clear (XMLSerialization.java:237) at weka.core.xml.XMLDocument.<init> (XMLDocument.java:146) at javax.xml.xpath.XPathFactory.newInstance (XPathFactory.java:182) at javax.xml.xpath.XPathFactoryFinder.newFactory (XPathFactoryFinder.java:141) at javax.xml.xpath.XPathFactoryFinder._newFactory (XPathFactoryFinder.java:220) org.pentaho.di.kf.KF.processRow(KF.java:366) org.pentaho.di.trans.step.RunThread.run(RunThread.java:62) java.lang.Thread.run(Thread.java:745) at org.pentaho.di.kf.KF.processRow(KF.java:366) at org.pentaho.di.trans.step.RunThread.run(RunThread.java:62) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.NullPointerException at javax.xml.xpath.XPathFactoryFinder._newFactory(XPathFactoryFinder.java:220) at javax.xml.xpath.XPathFactoryFinder.newFactory(XPathFactoryFinder.java:141) at javax.xml.xpath.XPathFactory.newInstance(XPathFactory.java:182) at weka.core.xml.XMLDocument.<init>(XMLDocument.java:146) at weka.core.xml.XMLSerialization.clear(XMLSerialization.java:237) at weka.core.xml.XMLBasicSerialization.clear(XMLBasicSerialization.java:103) at weka.gui.beans.xml.XMLBeans.clear(XMLBeans.java:325) at weka.core.xml.XMLSerialization.<init>(XMLSerialization.java:213) at weka.core.xml.XMLBasicSerialization.<init>(XMLBasicSerialization.java:91) at weka.gui.beans.xml.XMLBeans.<init>(XMLBeans.java:280) at weka.gui.beans.xml.XMLBeans.<init>(XMLBeans.java:267) at org.pentaho.di.kf.KFData.loadSerializedKF(KFData.java:456) at org.pentaho.di.kf.KF.processRow(KF.java:364) ... 2 more {noformat} This issue does not occur under Windows, just OSX. A similar issue occurs in PDI-14594.

    Pentaho BI Platform Tracking | 1 year ago | Mark Hall
    org.pentaho.di.core.exception.KettleException: A problem occurred whilst trying to deserialize Knowledge Flow file at java.lang.Thread.run (Thread.java:745) at org.pentaho.di.trans.step.RunThread.run (RunThread.java:62) at org.pentaho.di.kf.KF.processRow (KF.java:364) at org.pentaho.di.kf.KFData.loadSerializedKF (KFData.java:456) at weka.gui.beans.xml.XMLBeans.<init> (XMLBeans.java:267) at weka.gui.beans.xml.XMLBeans.<init> (XMLBeans.java:280) at weka.core.xml.XMLBasicSerialization.<init> (XMLBasicSerialization.java:91) at weka.core.xml.XMLSerialization.<init> (XMLSerialization.java:213) at weka.gui.beans.xml.XMLBeans.clear (XMLBeans.java:325) at weka.core.xml.XMLBasicSerialization.clear (XMLBasicSerialization.java:103) at weka.core.xml.XMLSerialization.clear (XMLSerialization.java:237) at weka.core.xml.XMLDocument.<init> (XMLDocument.java:146) at javax.xml.xpath.XPathFactory.newInstance (XPathFactory.java:182) at javax.xml.xpath.XPathFactoryFinder.newFactory (XPathFactoryFinder.java:141) at javax.xml.xpath.XPathFactoryFinder._newFactory (XPathFactoryFinder.java:220) org.pentaho.di.kf.KF.processRow(KF.java:366) org.pentaho.di.trans.step.RunThread.run(RunThread.java:62) java.lang.Thread.run(Thread.java:745)
  3. 0

    Cannot create a new Android Project in Eclipse on Mac

    Stack Overflow | 3 years ago | chancyWu
    java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at javax.xml.xpath.XPathFactoryFinder._newFactory()
    2. Java RT
      XPathFactory.newInstance
      1. javax.xml.xpath.XPathFactoryFinder._newFactory(XPathFactoryFinder.java:220)
      2. javax.xml.xpath.XPathFactoryFinder.newFactory(XPathFactoryFinder.java:141)
      3. javax.xml.xpath.XPathFactory.newInstance(XPathFactory.java:182)
      3 frames
    3. weka-dev
      XMLBeans.<init>
      1. weka.core.xml.XMLDocument.<init>(XMLDocument.java:146)
      2. weka.core.xml.XMLSerialization.clear(XMLSerialization.java:237)
      3. weka.core.xml.XMLBasicSerialization.clear(XMLBasicSerialization.java:103)
      4. weka.gui.beans.xml.XMLBeans.clear(XMLBeans.java:325)
      5. weka.core.xml.XMLSerialization.<init>(XMLSerialization.java:213)
      6. weka.core.xml.XMLBasicSerialization.<init>(XMLBasicSerialization.java:91)
      7. weka.gui.beans.xml.XMLBeans.<init>(XMLBeans.java:280)
      8. weka.gui.beans.xml.XMLBeans.<init>(XMLBeans.java:267)
      8 frames
    4. org.pentaho.di
      RunThread.run
      1. org.pentaho.di.kf.KFData.loadSerializedKF(KFData.java:456)
      2. org.pentaho.di.kf.KF.processRow(KF.java:364)
      3. org.pentaho.di.trans.step.RunThread.run(RunThread.java:62)
      3 frames
    5. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame