我试图在我的 CentOS
服务器上使用 jmap
命令,但它一直告诉我找不到该命令,即使我已经安装了 JDK。
这是命令 java -version
的输出:
java version "1.7.0_25"
OpenJDK Runtime Environment (rhel-2.3.10.4.el6_4-x86_64)
OpenJDK 64-Bit Server VM (build 23.7-b01, mixed mode)
我该如何解决这个问题?
最佳答案
您应该能够在 java-1.8.0-openjdk-devel-debug 或 java-1.7.0-openjdk- 中找到 jmap Redhat/Centos 上的 devel-debug 或 java-1.6.0-openjdk-devel-debug 包。要安装它,请以 root 身份运行以下命令:
yum install java-1.8.0-openjdk-devel-debug
为了完整起见,下面是检查哪些包包含 jmap 的命令:
yum whatprovides '*/jmap'
这是一个示例输出:
1:java-1.6.0-openjdk-devel-1.6.0.37-1.13.9.4.el7_1.x86_64 : OpenJDK Development Environment
Repo : updates
Matched from:
Filename : /usr/lib/jvm/java-1.6.0-openjdk-1.6.0.37.x86_64/bin/jmap
1:java-1.7.0-openjdk-devel-1.7.0.91-2.6.2.3.el7.x86_64 : OpenJDK Development Environment
Repo : base
Matched from:
Filename : /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.91-2.6.2.3.el7.x86_64/bin/jmap
1:java-1.8.0-openjdk-devel-1.8.0.65-3.b17.el7.x86_64 : OpenJDK Development Environment
Repo : base
Matched from:
Filename : /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.65-3.b17.el7.x86_64/bin/jmap
1:java-1.8.0-openjdk-devel-debug-1.8.0.65-3.b17.el7.x86_64 : OpenJDK Development Environment with full debug on
Repo : base
Matched from:
Filename : /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.65-3.b17.el7.x86_64-debug/bin/jmap
1:java-1.8.0-openjdk-devel-debug-1.8.0.65-3.b17.el7.x86_64 : OpenJDK Development Environment with full debug on
Repo : @base
Matched from:
Filename : /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.65-3.b17.el7.x86_64-debug/bin/jmap
关于java - 找不到 jmap 命令,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/25715067/