java - Can't run Spark -

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a few days ago extracted spark on machine (ubuntu) , made test run, seemed fine. today, think changed java paths, spark won't start.
instead following error message:

user@user:~/software/spark-1.1.0-bin-hadoop2.4$ ./bin/pyspark python 2.7.8 (default, oct 20 2014, 15:05:19)  [gcc 4.9.1] on linux2 type "help", "copyright", "credits" or "license" more information. /home/user/software/spark-1.1.0-bin-hadoop2.4/bin/spark-class: line 180: /usr/lib/jvm/java-7-sun/bin/bin/java: no such file or directory traceback (most recent call last):   file "/home/user/software/spark-1.1.0-bin-hadoop2.4/python/pyspark/shell.py", line 44, in <module>     sc = sparkcontext(appname="pysparkshell", pyfiles=add_files)   file "/home/user/software/spark-1.1.0-bin-hadoop2.4/python/pyspark/context.py", line 104, in __init__     sparkcontext._ensure_initialized(self, gateway=gateway)   file "/home/user/software/spark-1.1.0-bin-hadoop2.4/python/pyspark/context.py", line 211, in _ensure_initialized     sparkcontext._gateway = gateway or launch_gateway()   file "/home/user/software/spark-1.1.0-bin-hadoop2.4/python/pyspark/java_gateway.py", line 71, in launch_gateway     raise exception(error_msg) exception: launching gatewayserver failed exit code 127! warning: expected gatewayserver output port, found no output.

running java programs eclipse still works.

edit:

which java: /usr/bin/java javac -version: javac 1.7.0_65 echo $java_home: /usr/lib/jvm/java-7-sun/bin

your error messages includes path /usr/lib/jvm/java-7-sun/bin/bin/java. notice duplicated bin fragment.

bin must not part of java_home, set /usr/lib/jvm/java-7-sun/.


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