java-home

问题 Upon logging into my CentOS 7 VM, my $JAVA_HOME is always set to : /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.131-11.b12.el7.x86_64/jre , which is incorrect. My ~/.bash_profile reads: # .bash_profile # Get the aliases and functions if [ -f ~/.bashrc ]; then . ~/.bashrc fi # User specific environment and startup programs JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.144-0.b01.el7_4.x86_64/jre export JAVA_HOME PYCHARM_HOME=/opt/pycharm-community-2017.2.3/ export PYCHARM_HOME ECLIPSE_HOME=/opt

问题 I have installed Java 8 and set my JAVA_HOME and JRE_HOME paths and added %JAVA_HOME% to the start of the path variable. I created a helloworld.java application and am able to compile it using: javac helloworld.java However, when I try to run: java helloworld I get the error: The system cannot find the file C:\ProgramData\Oracle\Java\javapath\java.exe How can I solve this? 回答1: Just set %JAVA_HOME% /bin to your path variable. 回答2: 1.Just go to C:\ProgramData\Oracle\Java\javapath\ 2.You will

问题 Getting this error while trying to execute any hadoop related cmd operations: `Error: JAVA_HOME is incorrectly set. Please update C:\Hadoop\hadoop-2.7.2\conf\hadoop-env.cmd '-Xmx512m' is not recognized as an internal or external command, operable program or batch file.` My JAVA_HOME is set to C:\Program Fies(x86)\Java\jdk1.8.0_91 in the environment variables. I've also changed C:\Hadoop\hadoop-2.7.2\etc\hadoop-env.sh , and made JAVA_HOME equal to the above value. 回答1: Spacing is the problem

问题 My system is Windows 10 64 bit I have created an environment variable "JAVA_HOME" and updated the path but, still system is showing "The JAVA_HOME" environment variable is not defined This environment variable is needed to run this program" Also, echo %JAVA_HOME% is not displaying the path Please review the attached screenshots. 回答1: You need to close and reopen cmd.exe or restart the computer to get JAVA_HOME to propagate to your command prompt. If cmd was open when you set the variables

问题 I have JAVA_HOME variable set to C:\Program Files\Java\jre6\ when I run maven package on the project it tells me that it can't resolve dependency [ERROR] Failed to execute goal org.codehaus.mojo:aspectj-maven-plugin:1.0:compile (default) on project roo: Execution default of goal o rg.codehaus.mojo:aspectj-maven-plugin:1.0:compile failed: Plugin org.codehaus.mojo:aspectj-maven-plugin:1.0 or one of its dependencies could not be resolved: Could not find artifact com.sun:tools:jar:1.4.2 at

问题 I'm pretty new on ubuntu, at some point in the terminal I'm running: mortar local:illustrate pigscripts/retail-recsys.pig purchase_input -f params/retail.params but I have this following error: A suitable java installation could not be found. If you already have java installed please set your JAVA_HOME environment variable before continuing. Otherwise, a suitable java installation will need to be added to your local system. Installing Java On OSX run javac from the command line. This will

问题 I did the following steps but java does not seem to be working for me, do I need to restart my system if yes then why? 1. Right click My Computer->Advence Option->Environment Varibles->System Variables 2. variable : Path->Edit 3. Copy your jdk bin directory i.e.C:\Program Files\Java\jdk1.7.0_51\bin 4. Paste it after putting a semi-colon(;) in value section i am getting below error while running java in cmd C:\Users\User>java -version Error: opening registry key 'Software\JavaSoft\Java Runtime

问题 I have a script that starts Tomcat and it looks like this: rem set JRE_HOME=C:\Program Files\Java\jdk1.7.0_03 set JRE_HOME=C:\Program Files\Java\jre7\ set CATALINA_HOME=D:\test\Server\apache-tomcat-6.0.18 "%CATALINA_HOME%\bin\catalina.bat" jpda start I can set JRE_HOME to either my jre folder or my JDK folder and Tomcat will work, but if I remove JRE_HOME and use JAVA_HOME instead, Tomcat will only work if I give it the path to the JDK folder. So what is the difference between JRE and JAVA

问题 I get the error: C:\dev\ws\springapp\build.xml:81: Unable to find a javac compiler; com.sun.tools.javac.Main is not on the classpath. Perhaps JAVA_HOME does not point to the JDK. It is currently set to "C:\Program Files\Java\jre6" But I have clearly set my JAVA_HOME to be C:\Program Files\Java\jdk1.6.0_14 Where is ANT getting this value? 回答1: When you say you have "clearly set" JAVA_HOME to "C:\Program Files\Java\jdk1.6.0_14" - is that what you see when you run "set" from the command line? I

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 6 years ago . How can I setup JAVA_HOME path without having to set it each time I restart my machine? I've used the following ways when trying to set JAVA_HOME on my Ubuntu machine: 1) From terminal I've executed the following command: export JAVA_HOME=/usr/lib/jvm/jdk1.7.0 2) I've edited the /etc/enviroment file directly to