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init the cause of exceptions so no information is lost when this exception occurs

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git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@406096 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Daniel Naber 2006-05-13 13:29:22 +00:00
parent af791e009b
commit 2531a82606
1 changed files with 3 additions and 1 deletions
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4
src/java/org/apache/lucene/store/MMapDirectory.java
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@ -174,7 +174,9 @@ public class MMapDirectory extends FSDirectory {
try { try {
clone.seek(getFilePointer()); clone.seek(getFilePointer());
} catch(IOException ioe) { } catch(IOException ioe) {
throw new RuntimeException(ioe); RuntimeException newException = new RuntimeException(ioe);
newException.initCause(ioe);
throw newException;
}; };
return clone; return clone;
} }