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JavaPosse

Java Podcast : News, Interviews and more about the Java programming language.

I found this excellent podcast the other day. It's excellent and really detailed.

I would have preferred OGG rather than the MP3 format it uses.

JavaPosse

Another interesting podcast I found recently is :

Software Engineering Radio : podcast for professional software developers
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Overcome Java JNI gdb errors on GNU/Linux

If you happen to try to debug any Java JNI programs using gdb on GNU/Linux you will soon come across error messages. For example : $ gdb --args java MyJavaProgramUsingJNI cannot find user-level thread for LWP nnn: generic error warning: Cannot initialize thread debugging library: versions of libpthread and libthread_db do not match The reason for this is that the java program mucks around with LD_LIBRARY_PATH and that prevents gdb from running correctly. To overcome this, you have to run your Java program and place a pause in the Java code, such as reading a key, and then in another shell, run gdb to attach to the running Java process. You can then set your breakpoint on your JNI code and debug it. Here is an example : Compile your Java program: $ javac JNITest.java Generate the JNI header file: $ javah -jni JNITest.java Create and compile your C code library: $ cat jnilib.c #include "JNITest.h" JNIEXPORT jint JNICALL Java_JNITest_addValues( JNIEnv...
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