question: protected boolean isExecutableValid ( @ NotNull String executable ) { try { GeneralCommandLine commandLine = new GeneralCommandLine ( ) ; commandLine . setExePath ( executable ) ; CapturingProcessHandler handler = new CapturingProcessHandler ( commandLine . createProcess ( ) , CharsetToolkit . getDefaultSystemCharset ( ) ) ; ProcessOutput result = handler . runProcess ( 60 * 1000 ) ; boolean timeout = result . isTimeout ( ) ; int exitCode = result . getExitCode ( ) ; String stderr = result . getStderr ( ) ; if ( timeout ) { LOG . warn ( "Validation of " + executable + " failed with a timeout" ) ; } if ( exitCode != 0 ) { LOG . warn ( "Validation of " + executable + " failed with non-zero exit code: " + exitCode ) ; } if ( ! stderr . isEmpty ( ) ) { LOG . warn ( "Validation of " + executable + " failed with a non-empty error output: " + stderr ) ; } return ! timeout && exitCode == 0 && stderr . isEmpty ( ) ; } catch ( Throwable t ) { LOG . warn ( t ) ; return false ; } }
target:  Returns true if the supplied executable is valid. Default implementation: try to execute the given executable and test if output returned errors. This can take a long time since it spawns external process.