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如何设置JAVACMD

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如何设置JAVACMD

我Tomcat7在CentOS (6.7)系统上安装了。Tomcat 无法运行，抛出异常catalina.out

/usr/sbin/tomcat: line 29: -classpath: command not found

及相关tomcat-initd.log

/usr/sbin/tomcat: error: Failed to set JAVACMD

根据这篇 SF 帖子/usr/share/java-utils/java-functions，我应该可以像这样设置它：

# Add all sorts of jvm layouts here
  if [ -x "$JAVA_HOME/jre/sh/java" ]; then
    JAVACMD="$JAVA_HOME/jre/sh/java"
  elif [ -x "$JAVA_HOME/bin/java" ]; then
    JAVACMD="$JAVA_HOME/bin/java"
  else
    JAVACMD=`which java 2>/dev/null`
  fi

  if [ ! -x "$JAVACMD" ]; then
    echo "$0: error: Failed to set JAVACMD"
    return 1
  fi

但我仍然收到异常。缺少什么？我不明白什么，如何解决异常？

JAVA_HOME 已设置：

echo $JAVA_HOME
/usr/java/jdk1.7.0_79

检查 tomcat 状态：

sudo service tomcat status
PID file exists, but process is not running                [WARNING]
tomcat lockfile exists but process is not running          [FAILED]

即使删除 Tomcat pid 文件、清除并重复后，情况仍然如此。

请求响应：

whereis java
java: /usr/bin/java /etc/java /usr/lib/java /usr/share/java

ls -lad /usr/bin/java
lrwxrwxrwx. 1 root root 21 Jul 21  2015 /usr/bin/java -> /usr/java/jre1.8.0_51

ls -lad /etc/alternatives/java
lrwxrwxrwx. 1 root root 20 Jul 21  2015 /etc/alternatives/java -> /usr/java/glassfish4

JAVA_HOME在评论后tomcat.conf

/etc/rc.d/init.d/tomcat start
Starting tomcat:                                           [  OK  ]
sudo service tomcat status
tomcat (pid 13517) is running...                           [  OK  ]

答案1

将 /etc/tomcat/tomcat.conf 中的 JAVA_HOME 替换为 /usr/java/jre1.8.0_51

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