【ElasticSearch】执行ES命令时,报`require Java 11`
future versions of Elasticsearch will require Java 11; your Java version from [/usr/local/jdk1.8.0_1/jre] does not meet this requirement
使用ES7版本时,启动或者执行ES命令,提示上面错误信息。这是由于ES7使用的高版本的jdk。如果不想升级服务的jdk,可以通过修改elasticsearch-env
配置文件,使用ES内置的jdk来解决上面的问题。
# now set the path to java
# 注释掉原来的配置信息
#if [ ! -z "$JAVA_HOME" ]; then
# JAVA="$JAVA_HOME/bin/java"
# JAVA_TYPE="JAVA_HOME"
#else
# if [ "$(uname -s)" = "Darwin" ]; then
# # macOS has a different structure
# JAVA="$ES_HOME/jdk.app/Contents/Home/bin/java"
# else
# JAVA="$ES_HOME/jdk/bin/java"
# fi
# JAVA_TYPE="bundled jdk"
#fi
# 如何为新的配置信息
if [ ! -z "$JAVA_HOME" ]; then
JAVA="$ES_HOME/jdk/bin/java"
JAVA_TYPE="JAVA_HOME"
else
if [ "$(uname -s)" = "Darwin" ]; then
# macOS has a different structure
JAVA="$ES_HOME/jdk.app/Contents/Home/bin/java"
else
JAVA="$ES_HOME/jdk/bin/java"
fi
JAVA_TYPE="bundled jdk"
fi