DEC-22102 fix:【专题】11.0工程，数据连接管理，INFORMIX数据连接失败，驱动管理上传可以成功

fine-druid/src/main/java/com/fr/third/alibaba/druid/pool/DruidConnectionHolder.java

@@ -77,22 +77,22 @@ public final class DruidConnectionHolder {
     protected String                              initSchema;
 
     public DruidConnectionHolder(DruidAbstractDataSource dataSource, PhysicalConnectionInfo pyConnectInfo)
-                                                                                                          throws SQLException{
+            throws SQLException{
         this(dataSource,
-            pyConnectInfo.getPhysicalConnection(),
-            pyConnectInfo.getConnectNanoSpan(),
-            pyConnectInfo.getVairiables(),
-            pyConnectInfo.getGlobalVairiables());
+                pyConnectInfo.getPhysicalConnection(),
+                pyConnectInfo.getConnectNanoSpan(),
+                pyConnectInfo.getVairiables(),
+                pyConnectInfo.getGlobalVairiables());
     }
 
     public DruidConnectionHolder(DruidAbstractDataSource dataSource, Connection conn, long connectNanoSpan)
-                                                                                                           throws SQLException{
+            throws SQLException{
         this(dataSource, conn, connectNanoSpan, null, null);
     }
 
     public DruidConnectionHolder(DruidAbstractDataSource dataSource, Connection conn, long connectNanoSpan,
                                  Map<String, Object> variables, Map<String, Object> globleVariables)
-                                                                                                    throws SQLException{
+            throws SQLException{
         this.dataSource = dataSource;
         this.conn = conn;
         this.createNanoSpan = connectNanoSpan;
@@ -136,11 +136,16 @@ public final class DruidConnectionHolder {
                         holdabilityUnsupported = true;
                     }
                     LOG.warn("getHoldability error", e);
+                } catch (AbstractMethodError e){
+                    LOG.warn("getHoldability error", e);
                 }
             }
         }
 
-        this.underlyingReadOnly = conn.isReadOnly();
+        try {
+            this.underlyingReadOnly = conn.isReadOnly();
+        } catch (Throwable e){
+        }
         try {
             this.underlyingTransactionIsolation = conn.getTransactionIsolation();
         } catch (SQLException e) {
@@ -322,7 +327,7 @@ public final class DruidConnectionHolder {
                 Statement stmt = (Statement) item;
                 JdbcUtils.close(stmt);
             }
-            
+
             statementTrace.clear();
         } finally {
             lock.unlock();