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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=23675 Ajp13Connector contains code that works only on JDK1.3+ Summary: Ajp13Connector contains code that works only on JDK1.3+ Product: Tomcat 4 Version: 4.1.27 Platform: All OS/Version: All Status: NEW Severity: Normal Priority: Other Component: Connector:JK/AJP (deprecated) AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] When using JDK1.2.2 and Apache 1.3 connected to Tomcat via mod_jk/AJP13, the servlet hangs and you get the following error:- java.lang.NoSuchMethodError: java.net.Socket: method setKeepAlive(Z)V not found at org.apache.ajp.tomcat4.Ajp13Connector.run(Compiled Code) at java.lang.Thread.run(Thread.java:479) Tomcat 4 claims to work on any platform using JDK1.2 or higher; Unfortunately the call to Socket.setKeepAlive prevents this, since setKeepAlive is a method that only came into existance with JDK1.3, this causes a problem on platforms for which JDK1.2 is the best available or where maybe JDK1.2 has to be used for some other reason. I have successfully tested the following patch to jakarta-tomcat-connectors-4.1.27-src/ jk/java/org/apache/ajp/tomcat4/Ajp13Connector.java with JDKs 1.2.2, 1.3 and 1.4, whilst the source doesn't compile on 1.2, it will run successfully :- *** Ajp13Connector.java Thu Jul 31 18:30:40 2003 --- Ajp13Connector.java.new Wed Oct 8 16:42:22 2003 *************** *** 857,862 **** --- 857,878 ---- */ public void run() { + boolean hasSOKeepAlive = false; + try + { + java.lang.reflect.Method m = Socket.class.getMethod ("setKeepAlive", new Class[] { boolean.class } ); + if (m != null) + { + hasSOKeepAlive = true; + } + } + catch(Exception ex) + { + } + + System.out.println("hasSOKeepAlive = "+hasSOKeepAlive); + + // Loop until we receive a shutdown command while (!stopped) { *************** *** 892,897 **** --- 908,914 ---- else socket.setSoLinger(true, connectionLinger); + if (hasSOKeepAlive) socket.setKeepAlive(true); --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
