Gets the exception stack information tools [I]

 

 

 

    // taken before the 300 characters, to avoid exceeding the length of the database field when the abnormality information stored in the database 
    public  static String GeTe (Exception E) { 
        String S = getStackTraceInfo (E);
         IF (s.length ()> = 300 ) {
             return s.substring (0, 300 ); 
        } 
        return S; 
    } 
    
      / ** 
     * Get e.printStackTrace () of the specific information is assigned to a String variable, and returns 
     * 
     * @param E 
     * Exception 
     * @return e.printStackTrace ( information) in
      * / 
    public  static String getStackTraceInfo (Exception E) {

        SW the StringWriter = null ; 
        the PrintWriter PW = null ; 

        the try { 
            SW = new new the StringWriter (); 
            PW = new new the PrintWriter (SW); 
            e.printStackTrace (PW); // The error information is output to the stack in printWriter 
            pw.flush () ; 
            sw.flush (); 

            return sw.toString (); 
        } the catch (Exception EX) { 

            return "error" ; 
        } the finally {
             IF ! (SW = null) {
                try {
                    sw.close();
                } catch (IOException e1) {
                    e1.printStackTrace();
                }
            }
            if (pw != null) {
                pw.close();
            }
        }

    }