添加ExceptionSorter

git-svn-id: http://code.alibabatech.com/svn/druid/trunk@298 b9813039-fb51-4c41-a8b9-e21c2acb5095
2023-03-04 19:17:16 +00:00 · 2011-06-29 06:23:41 +00:00
parent cb7424b798
commit 806df571fc
1 changed files with 53 additions and 0 deletions
@@ -0,0 +1,53 @@
+package com.alibaba.druid.pool.vendor;
+
+import java.io.Serializable;
+import java.sql.SQLException;
+
+/**
+ * Implementation of ExceptionSorter for Oracle.
+ */
+public class OracleExceptionSorter implements ExceptionSorter, Serializable {
+
+    private static final long serialVersionUID = -9146226891418913174L;
+
+    public OracleExceptionSorter(){
+    }
+
+    public boolean isExceptionFatal(final SQLException e) {
+        final int error_code = Math.abs(e.getErrorCode()); // I can't remember if the errors are negative or positive.
+
+        if ((error_code == 28) // session has been killed
+            || (error_code == 600) // Internal oracle error
+            || (error_code == 1012) // not logged on
+            || (error_code == 1014) // Oracle shutdown in progress
+            || (error_code == 1033) // Oracle initialization or shutdown in progress
+            || (error_code == 1034) // Oracle not available
+            || (error_code == 1035) // ORACLE only available to users with RESTRICTED SESSION privilege
+            || (error_code == 1089) // immediate shutdown in progress - no operations are permitted
+            || (error_code == 1090) // shutdown in progress - connection is not permitted
+            || (error_code == 1092) // ORACLE instance terminated. Disconnection forced
+            || (error_code == 1094) // ALTER DATABASE CLOSE in progress. Connections not permitted
+            || (error_code == 2396) // exceeded maximum idle time, please connect again
+            || (error_code == 3106) // fatal two-task communication protocol error
+            || (error_code == 3111) // break received on communication channel
+            || (error_code == 3113) // end-of-file on communication channel
+            || (error_code == 3114) // not connected to ORACLE
+            || (error_code >= 12100 && error_code <= 12299) // TNS issues
+        ) {
+            return true;
+        }
+
+        final String error_text = (e.getMessage()).toUpperCase();
+
+        // Exclude oracle user defined error codes (20000 through 20999) from consideration when looking for
+        // certain strings.
+
+        if ((error_code < 20000 || error_code >= 21000)
+            && ((error_text.indexOf("SOCKET") > -1) // for control socket error
+                || (error_text.indexOf("CONNECTION HAS ALREADY BEEN CLOSED") > -1) || (error_text.indexOf("BROKEN PIPE") > -1))) {
+            return true;
+        }
+
+        return false;
+    }
+}