shaofengshi closed pull request #353: KYLIN-3697 Check port availability when
starts kylin instance
URL: https://github.com/apache/kylin/pull/353
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diff --git a/build/bin/check-env.sh b/build/bin/check-env.sh
index cd745d4526..5b14e0af7d 100755
--- a/build/bin/check-env.sh
+++ b/build/bin/check-env.sh
@@ -80,4 +80,7 @@ then
then
quit "Failed to create $SPARK_HISTORYLOG_DIR. Please make sure the
user has right to access $SPARK_HISTORYLOG_DIR"
fi
-fi
\ No newline at end of file
+fi
+
+${KYLIN_HOME}/bin/check-port-availability.sh || exit 1;
+
diff --git a/build/bin/check-port-availability.sh
b/build/bin/check-port-availability.sh
new file mode 100644
index 0000000000..023fdef3b9
--- /dev/null
+++ b/build/bin/check-port-availability.sh
@@ -0,0 +1,30 @@
+#!/bin/bash
+
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+source $(cd -P -- "$(dirname -- "$0")" && pwd -P)/header.sh
+
+
+# get port from configuraton
+kylin_port=`grep "<Connector port=" ${KYLIN_HOME}/tomcat/conf/server.xml |grep
protocol=\"HTTP/1.1\" | cut -d '=' -f 2 | cut -d \" -f 2`
+
+# check the availability of the port
+kylin_port_in_use=`netstat -tlpn | grep "\b${kylin_port}\b"`
+
+# if not available, prompt error messeage
+[[ -z ${kylin_port_in_use} ]] || quit "ERROR: Port ${kylin_port} is in use,
please check the availability of the port and re-start Kylin"
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