Java Throwable to Root Cause getRootCauseStackTrace(Throwable throwable)

Description

get Root Cause Stack Trace

License

LGPL

Declaration

public static String getRootCauseStackTrace(Throwable throwable) 

Method Source Code

//package com.java2s;
//License from project: LGPL 

import java.io.PrintWriter;
import java.io.StringWriter;

public class Main {
    public static String getRootCauseStackTrace(Throwable throwable) {
        Throwable rootCause = getRootCause(throwable);
        StringWriter sw = new StringWriter();
        PrintWriter pw = new PrintWriter(sw);
        rootCause.printStackTrace(pw);/*from   w w  w  .ja  v  a2 s.  c o m*/
        return sw.toString();
    }

    public static Throwable getRootCause(Throwable throwable) {
        Throwable cause = throwable;
        while (cause.getCause() != null) {
            cause = cause.getCause();
        }
        return cause;
    }
}

Related

1. getRootCauseStackTrace(@Nonnull final Throwable throwable)
2. getRootStackTrace(Throwable t)