Bug 82740 - [assist] NPE inside CompletionEngine with 1.5 code if compliance source level is 1.4
Summary: [assist] NPE inside CompletionEngine with 1.5 code if compliance source level...
Status: VERIFIED FIXED
Alias: None
Product: JDT
Classification: Eclipse Project
Component: Core (show other bugs)
Version: 3.0   Edit
Hardware: PC Windows XP
: P3 normal (vote)
Target Milestone: 3.1 M5   Edit
Assignee: David Audel CLA
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Reported: 2005-01-13 05:29 EST by David Audel CLA
Modified: 2005-02-14 11:54 EST (History)
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Description David Audel CLA 2005-01-13 05:29:58 EST 
build I20050111-1300
1) create java Project P with a compliance level of 1.4
2) create X.java
public class X<T> {
  void foo() {
    T|
  }
}
3) do ctrl + space at | location

there is an NPE in the .log

java.lang.NullPointerException
	at org.eclipse.jdt.internal.codeassist.impl.Engine.getSignature(Engine.java:208)
	at
org.eclipse.jdt.internal.codeassist.CompletionEngine.findTypeParameters(CompletionEngine.java:3454)
	at
org.eclipse.jdt.internal.codeassist.CompletionEngine.findTypesAndPackages(CompletionEngine.java:3480)
	at
org.eclipse.jdt.internal.codeassist.CompletionEngine.complete(CompletionEngine.java:575)
	at
org.eclipse.jdt.internal.codeassist.CompletionEngine.complete(CompletionEngine.java:1201)
	at org.eclipse.jdt.internal.core.Openable.codeComplete(Openable.java:119)
	at
org.eclipse.jdt.internal.core.CompilationUnit.codeComplete(CompilationUnit.java:287)
	at
org.eclipse.jdt.internal.core.CompilationUnit.codeComplete(CompilationUnit.java:202)
	at
org.eclipse.jdt.internal.core.CompilationUnit.codeComplete(CompilationUnit.java:192)
	at
org.eclipse.jdt.internal.ui.text.java.JavaCompletionProcessor.internalComputeCompletionProposals(JavaCompletionProcessor.java:358)
	at
org.eclipse.jdt.internal.ui.text.java.JavaCompletionProcessor.computeCompletionProposals(JavaCompletionProcessor.java:332)
	at
org.eclipse.jface.text.contentassist.ContentAssistant.computeCompletionProposals(ContentAssistant.java:1470)
	at
org.eclipse.jface.text.contentassist.CompletionProposalPopup.computeProposals(CompletionProposalPopup.java:250)
	at
org.eclipse.jface.text.contentassist.CompletionProposalPopup.access$7(CompletionProposalPopup.java:247)
Comment 1 David Audel CLA 2005-01-13 07:04:33 EST 
Fixed and test added
  CompletionTests#testCompletionInsideGenericClass()

Type parameter must not be proposed when source level < 1.5.
Comment 2 Jerome Lanneluc CLA 2005-02-14 11:54:37 EST 
Verified in I20050209 + JDT Core v_536