//打印全部异常堆栈
public class ExceptionUtils {
public static void main(String[] args) {
try {
int a=1/0;
} catch (Exception e) {
e.printStackTrace();
String fullStackTrace = org.apache.commons.lang.exception.ExceptionUtils.getFullStackTrace(e);
System.out.println(fullStackTrace);
}
}
}
/**
* <p>A way to get the entire nested stack-trace of an throwable.</p>
*
* <p>The result of this method is highly dependent on the JDK version
* and whether the exceptions override printStackTrace or not.</p>
*
* @param throwable the <code>Throwable</code> to be examined
* @return the nested stack trace, with the root cause first
* @since 2.0
*/
public static String getFullStackTrace(Throwable throwable) {
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw, true);
Throwable[] ts = getThrowables(throwable);
for (int i = 0; i < ts.length; i++) {
ts[i].printStackTrace(pw);
if (isNestedThrowable(ts[i])) {
break;
}
}
return sw.getBuffer().toString();
}
另一种方式：
public static String exception2String(Exception ex){
String exceptionMessage = "";
if (ex != null) {
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
try {
ex.printStackTrace(pw);
exceptionMessage = sw.toString();
} finally {
try {
sw.close();
pw.close();
} catch (Exception e) {
}
}
}
return exceptionMessage;
}
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