Recover connection on auto-commit/txn il checks

Former-commit-id: f883fc10

plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/jdbc/JDBCExecutionContext.java

@@ -32,6 +32,7 @@ import org.jkiss.dbeaver.model.runtime.DBRProgressMonitor;
 import org.jkiss.dbeaver.utils.RuntimeUtils;
 import org.jkiss.utils.CommonUtils;
 
+import java.lang.reflect.InvocationTargetException;
 import java.sql.Connection;
 import java.sql.SQLException;
 import java.sql.SQLFeatureNotSupportedException;
@@ -264,10 +265,16 @@ public class JDBCExecutionContext extends AbstractExecutionContext<JDBCDataSourc
         if (transactionIsolationLevel == null) {
             if (!RuntimeUtils.runTask(monitor -> {
                 try {
-                    transactionIsolationLevel = getConnection().getTransactionIsolation();
-                } catch (Throwable e) {
-                    transactionIsolationLevel = Connection.TRANSACTION_NONE;
-                    log.error("Error getting transaction isolation level", e);
+                    DBExecUtils.tryExecuteRecover(monitor, getDataSource(), monitor1 -> {
+                        try {
+                            transactionIsolationLevel = getConnection().getTransactionIsolation();
+                        } catch (Throwable e) {
+                            transactionIsolationLevel = Connection.TRANSACTION_NONE;
+                            log.error("Error getting transaction isolation level", e);
+                        }
+                    });
+                } catch (DBException e) {
+                    throw new InvocationTargetException(e);
                 }
             }, "Get transaction isolation level", TXN_INFO_READ_TIMEOUT)) {
                 throw new DBCException("Can't determine transaction isolation - timeout");
@@ -306,9 +313,15 @@ public class JDBCExecutionContext extends AbstractExecutionContext<JDBCDataSourc
             // Run in task with timeout
             if (!RuntimeUtils.runTask(monitor -> {
                 try {
-                    autoCommit = getConnection().getAutoCommit();
-                } catch (Exception e) {
-                    log.error("Error getting auto commit state", e);
+                    DBExecUtils.tryExecuteRecover(monitor, getDataSource(), monitor1 -> {
+                        try {
+                            autoCommit = getConnection().getAutoCommit();
+                        } catch (Exception e) {
+                            log.error("Error getting auto commit state", e);
+                        }
+                    });
+                } catch (DBException e) {
+                    throw new InvocationTargetException(e);
                 }
             }, "Get auto commit state", TXN_INFO_READ_TIMEOUT)) {
                 throw new DBCException("Can't determine auto-commit state - timeout");