Apache
/
lucene
mirror of https://github.com/apache/lucene.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

LUCENE-8212: Ensure all closeables are closed even if an VMError is thrown

This commit is contained in:
Simon Willnauer 2018-03-21 09:35:15 +01:00
parent d2ef38d784
commit f664896d1f
1 changed files with 14 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
lucene/core/src/java/org/apache/lucene/util/IOUtils.java
View File

@ -113,20 +113,32 @@ public final class IOUtils {
}
/**
* Closes all given <tt>Closeable</tt>s, suppressing all thrown exceptions.
* Closes all given <tt>Closeable</tt>s, suppressing all thrown non {@link VirtualMachineError} exceptions.
* Even if a {@link VirtualMachineError} is thrown all given closeable are closed.
* @see #closeWhileHandlingException(Closeable...)
*/
public static void closeWhileHandlingException(Iterable<? extends Closeable> objects) {
VirtualMachineError firstError = null;
Throwable firstThrowable = null;
for (Closeable object : objects) {
try {
if (object != null) {
object.close();
}
} catch (VirtualMachineError e) {
throw e;
firstError = useOrSuppress(firstError, e);
} catch (Throwable t) {
firstThrowable = useOrSuppress(firstThrowable, t);
}
}
if (firstError != null) {
// we ensure that we bubble up any errors. We can't recover from these but need to make sure they are
// bubbled up. if a non-VMError is thrown we also add the suppressed exceptions to it.
if (firstThrowable != null) {
firstError.addSuppressed(firstThrowable);
}
throw firstError;
}
}
/** adds a Throwable to the list of suppressed Exceptions of the first Throwable