https://issues.apache.org/bugzilla/show_bug.cgi?id=51949
Bug #: 51949
Summary: ZipFileZipEntrySource - NPE on double close
Product: POI
Version: 3.8-dev
Platform: PC
OS/Version: Linux
Status: NEW
Severity: major
Priority: P2
Component: POI Overall
AssignedTo: [email protected]
ReportedBy: [email protected]
Classification: Unclassified
ZipFileZipEntrySource.close:
public void close() throws IOException {
zipArchive.close();
zipArchive = null;
}
If close is called twice, this will result in an NPE. Calling close more than
once should not fail, checking for null will prevent this.
Tested with poi 3.8-beta4 used in Tika-0.10.
StackTrace:
java.lang.NullPointerException: null
at
org.apache.poi.openxml4j.util.ZipFileZipEntrySource.close(ZipFileZipEntrySource.java:37)
~[poi-ooxml-3.8-beta4.jar:3.8-beta4]
at org.apache.poi.openxml4j.opc.ZipPackage.revertImpl(ZipPackage.java:344)
~[poi-ooxml-3.8-beta4.jar:3.8-beta4]
at org.apache.poi.openxml4j.opc.OPCPackage.revert(OPCPackage.java:396)
~[poi-ooxml-3.8-beta4.jar:3.8-beta4]
at org.apache.poi.openxml4j.opc.OPCPackage.close(OPCPackage.java:360)
~[poi-ooxml-3.8-beta4.jar:3.8-beta4]
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