show_fe_version.sh

#!/usr/bin/env 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.

curdir=`dirname "$0"`
curdir=`cd "$curdir"; pwd`

export STARROCKS_HOME=`cd "$curdir/.."; pwd`
export PID_DIR=`cd "$curdir"; pwd`
export LOG_DIR=${STARROCKS_HOME}/log
source $STARROCKS_HOME/bin/common.sh

# java
if [ "$JAVA_HOME" = "" ]; then
  echo "Error: JAVA_HOME is not set."
  exit 1
fi
JAVA=$JAVA_HOME/bin/java

JAVA_VERSION=$(jdk_version)
if [[ "$JAVA_VERSION" -lt 11 ]]; then
    echo "JDK $JAVA_VERSION is not supported, please use JDK 11 or 17"
    exit -1
fi

# add libs to CLASSPATH
for f in $STARROCKS_HOME/lib/*.jar; do
  CLASSPATH=$f:${CLASSPATH};
done
export CLASSPATH=${CLASSPATH}:${STARROCKS_HOME}/lib

if [ -f $PID_DIR/fe.pid ]; then 
    mv $PID_DIR/fe.pid $PID_DIR/fe.pid.bak
fi

$JAVA com.starrocks.StarRocksFE -v 2>/dev/null | tail -5

if [ -f $PID_DIR/fe.pid.bak ]; then 
    mv $PID_DIR/fe.pid.bak $PID_DIR/fe.pid 
fi