Investigating the logging and tracing output for the application server is an excellent way to observe performance, diagnose problems, and gain a general understanding of how the application server is working within your environment. The expected output locations for logging and trace information can be different depending on the operating system on which the application server is running.
Log or trace stream | Expected output |
---|---|
Java trace | Trace.log. You must have tracing enabled. |
Java logs |
|
System.out stream |
|
System.err stream | SystemErr.log |
cout (the C or C++ output stream) | Native stdout |
cerr (the C or C++ error stream) | Native stderr |