默认 Java 库路径？
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Default Java library path?
提问by 2mac
I understand that you can set the Java library path with an option (-Djava.library.path=/path/to/libs) before executing the program, but is there a place on the system where Java looks if you don't set it manually?
我知道您可以-Djava.library.path=/path/to/libs在执行程序之前使用选项 ( )设置 Java 库路径，但是如果您不手动设置 Java，系统上是否有某个位置可以查看它？
采纳答案by Matt Ball
Its default value depends on the operating system:
其默认值取决于操作系统：
- On Windows, it maps to
PATH - On Linux, it maps to
LD_LIBRARY_PATH - On OS X, it maps to
DYLD_LIBRARY_PATH
- 在 Windows 上，它映射到
PATH - 在 Linux 上，它映射到
LD_LIBRARY_PATH - 在 OS X 上，它映射到
DYLD_LIBRARY_PATH
回答by Yichao Zhou
However, Matt Ball is not totally correct.
然而，马特鲍尔并不完全正确。
On my Linux box, my Java library path is
在我的 Linux 机器上，我的 Java 库路径是
/usr/lib64/icedtea6/jre/lib/amd64/server:/usr/lib64/icedtea6/jre/lib/amd6ib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
While my LD_LIBRARY_PATHis /usr/local/lib64.
虽然我的LD_LIBRARY_PATH是/usr/local/lib64.
回答by DKroot
For Java 8, this differs based on OS. This is the behavior I observed:
对于 Java 8，这因操作系统而异。这是我观察到的行为：
- Windows 10/Oracle JDK 8:
java.library.path=%PATH%;. - macOS El Capitan/Oracle JDK 8:
java.library.path=$JAVA_LIBRARY_PATH:~/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:..DYLD_LIBRARY_PATHandLD_LIBRARY_PATHvariables are ignored. Moreover, both these variables are removed from the environment of Java applications. - Linux CentOS 7/Open JDK 8:
java.library.path=$LD_LIBRARY_PATH:/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
- Windows 10/Oracle JDK 8：
java.library.path=%PATH%;. - MACOS埃尔卡皮坦/ Oracle的JDK 8：
java.library.path=$JAVA_LIBRARY_PATH:~/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.。DYLD_LIBRARY_PATH和LD_LIBRARY_PATH变量被忽略。此外，这两个变量都已从 Java 应用程序的环境中删除。 - Linux CentOS 7/Open JDK 8：
java.library.path=$LD_LIBRARY_PATH:/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
