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http://issues.apache.org/bugzilla/show_bug.cgi?id=31680 DefaultHttpParamsFactory.getDefaultParams() is not thread safe Summary: DefaultHttpParamsFactory.getDefaultParams() is not thread safe Product: HttpClient Version: 3.0 Alpha 2 Platform: All OS/Version: Other Status: NEW Severity: Normal Priority: Other Component: Commons HttpClient AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] The method getDefaultParams() in org.apache.commons.httpclient.params.DefaultHttpParamsFactory is not thread safe. In this code: public HttpParams getDefaultParams() { if (httpParams == null) { httpParams = createParams(); } return httpParams; } it is possible that httpParams will be called by one thread which will set httpParams, then a second thread may call it and may find httpParams is non-null. However, under both the old (Java Language Spec chapter 17) and new Java Memory Models, the second thread won't necessarily see the values the first thread has set in the referenced HttpParams object. The easiest way to fix this for all JVMs and memory models is by declaring getDefaultParams() to be synchronized. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
