On Wed, 2010-03-24 at 10:41 +0530, Ruchi Goel wrote: > Hi, > We are using commons-httpclient-3.0.jar for one of our yahoo properties. > The application is running on jetty. In production, we are seeing the lock > problems as follows : > > > btpool0-11554 runnable > > btpool0-11597 is waiting on this thread > > btpool0-11614 is waiting on this thread > > "btpool0-11554" prio=1 tid=0x0000002c0275f7c0 nid=0x4b62 runnable > [0x0000000041f4a000..0x0000000041f4dab0] > > at java.net.SocketInputStream.socketRead0(Native Method) > > at java.net.SocketInputStream.read(SocketInputStream.java:129) > > at java.io.BufferedInputStream.fill(BufferedInputStream.java:218) > > at java.io.BufferedInputStream.read(BufferedInputStream.java:235) > > - locked <0x0000002b0835ddf0> (a java.io.BufferedInputStream) > > at > org.apache.commons.httpclient.HttpParser.readRawLine(HttpParser.java:77) > > at > org.apache.commons.httpclient.HttpParser.readLine(HttpParser.java:105) > > at > org.apache.commons.httpclient.HttpConnection.readLine(HttpConnection.java:1115) > > at > org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$HttpConnectionAdapter.readLine(MultiThreadedHttpConnectionManager.java:1373) > > at > org.apache.commons.httpclient.HttpMethodBase.readStatusLine(HttpMethodBase.java:1832) > > at > org.apache.commons.httpclient.HttpMethodBase.readResponse(HttpMethodBase.java:1590) > > at > org.apache.commons.httpclient.HttpMethodBase.execute(HttpMethodBase.java:995) > > at > org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:397) > at > > There are many instances of such thread lock areas in the thread dump. > Any pointers/help appreciated. >
The thread is blocked in a read operation waiting for input. Apparently the server is not sending data. Oleg > Regards, > Ruchi > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
