java.lang.NullPointerException: field value must not be null

GitHub | koppor | 12 months ago
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    NPE when using SpringerFetcher

    GitHub | 12 months ago | koppor
    java.lang.NullPointerException: field value must not be null
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    NPE when using GooglerScholarFetcher

    GitHub | 11 months ago | koppor
    java.lang.NullPointerException: field value must not be null
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    JabRef 3.0 cannot insert reference list to LibreOffice 5.0

    GitHub | 11 months ago | daniel-dong
    java.lang.NullPointerException: field value must not be null
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  5. 0

    Clear Bibtexkey NullPointerException

    GitHub | 1 month ago | grimes2
    java.lang.NullPointerException: field value must not be null
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    Getting a "Failed to create the part's controls"

    Stack Overflow | 2 years ago | user3864788
    java.lang.NullPointerException: source

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Root Cause Analysis

  1. java.lang.NullPointerException

    field value must not be null

    at java.util.Objects.requireNonNull()
  2. Java RT
    Objects.requireNonNull
    1. java.util.Objects.requireNonNull(Unknown Source)
    1 frame
  3. net.sf.jabref
    ImportInspectionDialog$OkListener.actionPerformed
    1. net.sf.jabref.model.entry.BibtexEntry.setField(BibtexEntry.java:329)
    2. net.sf.jabref.gui.EntryMarker.unmarkEntry(EntryMarker.java:131)
    3. net.sf.jabref.gui.ImportInspectionDialog$OkListener.actionPerformed(ImportInspectionDialog.java:740)
    3 frames
  4. Java RT
    AbstractButton.fireActionPerformed
    1. javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
    1 frame