Stacktrace to string in Java

Question

Easiest way to convert the result of Throwable.getStackTrace() to a string that depicts the stacktrace?

Answer 1

Use Throwable.printStackTrace(PrintWriter pw) to send the stack trace to an appropriate writer.

StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
t.printStackTrace(pw);
sw.toString(); // stack trace as a string

Answer 2

public String stackTraceToString(Throwable e) {
    StringBuilder sb = new StringBuilder();
    for (StackTraceElement element : e.getStackTrace) {
        sb.append(element.toString());
        sb.append("\n");
    }
    return sb.toString();
}

Answer 3

This should work:

StringWriter sw = new StringWriter();
e.printStackTrace(new PrintWriter(sw));
String exceptionAsStrting = sw.toString();

Answer 4

Even one can use the following method to convert exception stack trace to string. This class is available in apache commons-lang-2.2.jar

org.apache.commons.lang.exception.ExceptionUtils.getStackTrace(Throwable)