SonarQube - Temp directory is not writable
Same as previous message SonarQube - Unable to load the Wrapper's native library 'wrapper.dll': can you verify that you have a Java 64 bits installed, because it looks as 32 bits version.
I had the same error in my sonar log when trying to start the service after I had installed it.
I had JAVA_HOME and x64 all correctly set up.
I managed to resolve the issue in the log above by changing the 'Log On As' for the installed service to 'NETWORK SERVICE' (without a password), then started the service. By default it had set the Log On As to Local System.
Probably another thing worth mentioning is if you're setting up SonarQube for the first time it may be best to get the website working before installing the service, otherwise debugging is a bit of a pain.
This can also be fixed by setting the java.io.tmpdir
java property to a writable directory.
e.g., in conf/wrapper.conf
change
wrapper.java.additional.1=-Djava.awt.headless=true
to
wrapper.java.additional.1=-Djava.awt.headless=true -Djava.io.tmpdir=E:/sonarqube-5.1/temp