首页 专栏 python 文章详情

    在Linux桌面下安装PyCharm的时候出现如下报错

root@ubuntu:~# cd pycharm-community-2021.1.1 root@ubuntu:~/pycharm-community-2021.1.1# ls bin classpath.txt Install-Linux-tar.txt license brokenPlugins.db help jbr plugins build.txt icons.db lib product-info.json root@ubuntu:~/pycharm-community-2021.1.1# cd bin/ root@ubuntu:~/pycharm-community-2021.1.1/bin# ls format.sh inspect.sh printenv.py pycharm.svg fsnotifier libdbm64.so pycharm64.vmoptions pycharm.vmoptions fsnotifier64 log.xml pycharm.png restart.py idea.properties ltedit.sh pycharm.sh root@ubuntu:~/pycharm-community-2021.1.1/bin# ./pycharm.sh Error: A JNI error has occurred, please check your installation and try again Exception in thread "main" java.lang.UnsupportedClassVersionError: com/intellij/idea/Main has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:756) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at java.net.URLClassLoader.defineClass(URLClassLoader.java:468) at java.net.URLClassLoader.access$100(URLClassLoader.java:74) at java.net.URLClassLoader$1.run(URLClassLoader.java:369) at java.net.URLClassLoader$1.run(URLClassLoader.java:363) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:362) at java.lang.ClassLoader.loadClass(ClassLoader.java:418) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355) at java.lang.ClassLoader.loadClass(ClassLoader.java:351) at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:601) root@ubuntu:~/pycharm-community-2021.1.1/bin#

此问题为Java版本太低，需要使用新的jdk版本

49 = Java 5 50 = Java 6 51 = Java 7 52 = Java 8 53 = Java 9 54 = Java 10 55 = Java 11 56 = Java 12 57 = Java 13 58 = Java 14 59 = Java 15 60 = Java 16

安装Java

root@ubuntu:~# tar xvf jdk-16.0.1_linux-aarch64_bin.tar.gz root@ubuntu:~# mv jdk-16.0.1 /usr/local/ root@ubuntu:~# cd /usr/local/ root@ubuntu:/usr/local# ls Ascend dcmi games jdk-16.0.1 lib python3.7.5 share bin etc include jdk1.8.0_291 man sbin src root@ubuntu:/usr/local# vim /etc/profile root@ubuntu:/usr/local# source /etc/profile

环境变量配置文件

root@ubuntu:/usr/local# cat /etc/profile # /etc/profile: system-wide .profile file for the Bourne shell (sh(1)) # and Bourne compatible shells (bash(1), ksh(1), ash(1), ...). if [ "${PS1-}" ]; then if [ "${BASH-}" ] && [ "$BASH" != "/bin/sh" ]; then # The file bash.bashrc already sets the default PS1. # PS1='\h:\w\$ ' if [ -f /etc/bash.bashrc ]; then . /etc/bash.bashrc fi else if [ "`id -u`" -eq 0 ]; then PS1='# ' else PS1='$ ' fi fi fi if [ -d /etc/profile.d ]; then for i in /etc/profile.d/*.sh; do if [ -r $i ]; then . $i fi done unset i fi #用于设置python3.7.5库文件路径 export LD_LIBRARY_PATH=/usr/local/python3.7.5/lib:$LD_LIBRARY_PATH #如果用户环境存在多个python3版本，则指定使用python3.7.5版本 export PATH=/usr/local/python3.7.5/bin:$PATH # control log level. 0-DEBUG, 1-INFO, 2-WARNING, 3-ERROR, default level is WARNING. export GLOG_v=2 # Conda environmental options LOCAL_ASCEND=/usr/local/Ascend # the root directory of run package # lib libraries that the run package depends on export LD_LIBRARY_PATH=${LOCAL_ASCEND}/add-ons/:${LOCAL_ASCEND}/ascend-toolkit/latest/fwkacllib/lib64:${LOCAL_ASCEND}/driver/lib64:${LOCAL_ASCEND}/ascend-toolkit/latest/opp/op_impl/built-in/ai_core/tbe/op_tiling:${LD_LIBRARY_PATH} # Environment variables that must be configured export TBE_IMPL_PATH=${LOCAL_ASCEND}/ascend-toolkit/latest/opp/op_impl/built-in/ai_core/tbe # TBE operator implementation tool path export ASCEND_OPP_PATH=${LOCAL_ASCEND}/ascend-toolkit/latest/opp # OPP path export PATH=${LOCAL_ASCEND}/ascend-toolkit/latest/fwkacllib/ccec_compiler/bin/:${PATH} # TBE operator compilation tool path export PYTHONPATH=${TBE_IMPL_PATH}:${PYTHONPATH} # Python library that TBE implementation depends on export JAVA_HOME=/usr/local/jdk-16.0.1 export JRE_HOME=/usr/local/jdk-16.0.1/jre/ export CLASSPATH=$CLASSPATH:$JAVA_HOME/lib:$JAVA_HOME/jre/lib export PATH=$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$PATH:$HOME/bin root@ubuntu:/usr/local#