From owner-freebsd-java Sun Sep 8 5:38:47 2002 Delivered-To: freebsd-java@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 88B3A37B400 for ; Sun, 8 Sep 2002 05:38:40 -0700 (PDT) Received: from ns.gddsn.org.cn (ns.gddsn.org.cn [210.21.6.33]) by mx1.FreeBSD.org (Postfix) with ESMTP id 263B243E65 for ; Sun, 8 Sep 2002 05:38:40 -0700 (PDT) (envelope-from hwh@ns.gddsn.org.cn) Received: from mail.gddsn.org.cn (gw [210.21.6.34]) by ns.gddsn.org.cn (Postfix) with ESMTP id C331855 for ; Sun, 8 Sep 2002 20:38:33 +0800 (CST) Message-ID: <3D7B44C9.3030807@mail.gddsn.org.cn> Date: Sun, 08 Sep 2002 20:38:33 +0800 From: Huang wen hui User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; zh-CN; rv:1.0.0) Gecko/20020728 X-Accept-Language: zh-cn, zh-tw, en-us MIME-Version: 1.0 To: java Subject: java core dump when using InetAddress.getHostName under current Content-Type: text/plain; charset=gb2312 Content-Transfer-Encoding: 7bit Sender: owner-freebsd-java@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org hi, The following example can cause java ( both classic and hotspot) core dump: ------------------------------------------------------------- import java.net.*; public class TestGetHostByAddr { public static void main(String[] args) throws Exception { Socket socket = new Socket("www.freebsd.org", 80); InetAddress localAddr = socket.getLocalAddress(); String host = localAddr.getHostName(); System.out.println("Local Host name is: "+ host); socket.close(); } } -------------------------------------------------------------- (gdb) run TestGetHostByAddr Starting program: /usr/local/jdk1.3.1/bin/i386/native_threads/java_g TestGetHostByAddr Program received signal SIGBUS, Bus error. 0x297ab90e in Java_java_net_InetAddressImpl_getHostByAddr (env=0x806c2b0, this=0xbfbfeddc, addr=83994816) at ../../../src/solaris/native/java/net/InetAddressImpl.c:311 311 ret = (*env)->NewStringUTF(env, hp->h_name); (gdb) print hp->h_name Error accessing memory address 0xffffffff: Bad address. (gdb) bt #0 0x297ab90e in Java_java_net_InetAddressImpl_getHostByAddr (env=0x806c2b0, this=0xbfbfeddc, addr=83994816) at ../../../src/solaris/native/java/net/InetAddressImpl.c:311 #1 0x080ee1ac in ?? () #2 0x080ea56d in ?? () #3 0x080ea56d in ?? () #4 0x080ea56d in ?? () #5 0x2863af5d in StubRoutines::_code1 () from /usr/local/jdk1.3.1/jre/lib/i386/client/libjvm_g.so #6 0x283030b9 in JavaCalls::call_helper(JavaValue*, methodHandle*, JavaCallArguments*, Thread*) (result=0xbfbff080, m=0xbfbfef54, args=0xbfbfef80, __the_thread__=0x806c218) at /usr/ports/java/jdk13/work/hotspot1.3.1/src/share/vm/runtime/javaCalls.cpp:378 #7 0x28302c54 in JavaCalls::call(JavaValue*, methodHandle, JavaCallArguments*, Thread*) (result=0xbfbff080, method=ABI doesn't define required function baseclass_offset ) at /usr/ports/java/jdk13/work/hotspot1.3.1/src/share/vm/runtime/javaCalls.cpp:287 #8 0x2830f996 in jni_invoke(JNIEnv_*, JavaValue*, _jobject*, JNICallType, _jmethodID*, JNI_ArgumentPusher*, Thread*) () from /usr/local/jdk1.3.1/jre/lib/i386/client/libjvm_g.so #9 0x2832438a in jni_CallStaticVoidMethod () from /usr/local/jdk1.3.1/jre/lib/i386/client/libjvm_g.so #10 0x08049346 in main (argc=0, argv=0xbfbff9bc) at ../../../../src/share/bin/java.c:323 #11 0x08048bc1 in _start () To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-java" in the body of the message