Stephan Siano created ARIES-1113:
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Summary: Double checked locking in BundleRevisionResource
Key: ARIES-1113
URL: https://issues.apache.org/jira/browse/ARIES-1113
Project: Aries
Issue Type: Bug
Components: Subsystem
Reporter: Stephan Siano
The class org.apache.aries.subsystem.core.internal.BundleRevisionResource
contains the following method:
private ParsedServiceElements getParsedServiceElements() {
ParsedServiceElements result = elements;
if (result == null) {
synchronized (this) {
result = elements;
if (result == null)
elements = result = computeParsedServiceElements();
}
}
return result;
}
It is well known that this double checked locking ideom does not work. It
should be changed to something like
private synchronized ParsedServiceElements getParsedServiceElements() {
if (elements == null)
elements = computeParsedServiceElements();
return elements;
}
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