Fatal Error: Unable to find package java.lang in classpath or bootclasspath

问题

i am trying to use node-java package.i need to run small java code from node.js.first i run command

npm install java

after that i cloned source code of this library.(https://github.com/joeferner/node-java) i went to node-java directory using

cd node-java

then run command ./compile-java-code.sh and getting error

Fatal Error: Unable to find package java.lang in classpath or bootclasspath

i am using ubuntu 12.04 64 bit. when i run command

java -version 

its returning

java version "1.7.0_75"
OpenJDK Runtime Environment (IcedTea 2.5.4) (7u75-2.5.4-1~precise1)
OpenJDK 64-Bit Server VM (build 24.75-b04, mixed mode)

and when i run command javac -version its returning

javac 1.7.0_75

perhaps its require some additional environment configuration.How to handle this issue.Please guideline.

回答1:

Checking the script to compile node-java I see the setting for bootclasspath there: -bootclasspath /opt/jdk/jre/lib/rt.jar

Do you have this jar file /opt/jdk/jre/lib/rt.jar? If not, then you may want to adjust the script to point to your JRE location.

来源：https://stackoverflow.com/questions/28944890/fatal-error-unable-to-find-package-java-lang-in-classpath-or-bootclasspath