Develop Reference

JLine system terminal issue

I have a problem with JLine 3.9.0. I created a terminal
Terminal terminal = TerminalBuilder.builder().encoding("UTF-8").system(true).build();
First of all it shows a lot of errors, to be precise:
WARNING: Unable to retrieve infocmp for type dumb-color
java.io.IOException: Cannot run program "infocmp": CreateProcess error=2,
Cannot find the specified file
at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1128)
at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1071)
at org.jline.utils.InfoCmp.getInfoCmp(InfoCmp.java:547)
at org.jline.terminal.impl.AbstractTerminal.parseInfoCmp(AbstractTerminal.java:187)
at org.jline.terminal.impl.DumbTerminal.<init>(DumbTerminal.java:88)
at org.jline.terminal.TerminalBuilder.doBuild(TerminalBuilder.java:404)
at org.jline.terminal.TerminalBuilder.build(TerminalBuilder.java:262)
at agh.cs.Court.main.main(main.java:35)
Caused by: java.io.IOException: CreateProcess error=2, Cannot find the specified file
at java.base/java.lang.ProcessImpl.create(Native Method)
at java.base/java.lang.ProcessImpl.<init>(ProcessImpl.java:420)
at java.base/java.lang.ProcessImpl.start(ProcessImpl.java:151)
at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1107)
... 7 more
But despite that the program seems to work ALMOST correctly: even after setting encoding to UTF-8 it doesn't see the characters of my alphabet, which is the second issue.

issue with running git commands from java program

I am trying to run a git command through java program using
Runtime.getRuntime().exec(commandToBeExecuted);
and commandToBeExecuted ="git log" ;
i have set env variables but still getting the error like:
java.io.IOException: Cannot run program "git": CreateProcess error=2, The system cannot find the file specified
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1029)
at java.lang.Runtime.exec(Runtime.java:615)
at java.lang.Runtime.exec(Runtime.java:448)
at java.lang.Runtime.exec(Runtime.java:345)
at GITCodeCoverage.createLog(GITCodeCoverage.java:40)
at GITCodeCoverage.main(GITCodeCoverage.java:17)
Caused by: java.io.IOException: CreateProcess error=2, The system cannot find the file specified
at java.lang.ProcessImpl.create(Native Method)
at java.lang.ProcessImpl.<init>(ProcessImpl.java:188)
at java.lang.ProcessImpl.start(ProcessImpl.java:132)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1021)
... 5 more
Any can please help me in this run this command succesfully on Windows system.
Thanks in advance!

Try using this overloaded Runtime.exec(String command, String[] envp, File dir) like:-
File gitPath = new File("path where git is located in your system");
Runtime.exec('git logs', null, gitPath);

XMLBeans: java.io.IOException: Cannot run program "C:\xmlbeans\bin\jar":

I'm trying to run XMLBeans:
scomp -compiler "C:\Program Files (x86)\Java\jdk1.6.0_37\bin\javac.exe" -cp "C:\Components\*";"C:\Components\jsr173_api.jar";"C:\xmlbeans\lib\xbean.jar";"C:\xmlbeans\lib\xbean_xpath.jar";"C:\xmlbeans\lib\jaxen-1.1-beta-2.jar;" -out S2002PDPIn.jar S2002PDPIn.xsd
It gets an error below:
java.io.IOException: Cannot run program "C:\xmlbeans\bin\jar":
CreateProcess error=2,
The system cannot find the file specified
at java.lang.ProcessBuilder.start(Unknown Source)
at java.lang.Runtime.exec(Unknown Source)
at java.lang.Runtime.exec(Unknown Source)
at org.apache.xmlbeans.impl.tool.CodeGenUtil.externalJar(CodeGenUtil.java:304)
at org.apache.xmlbeans.impl.tool.SchemaCompiler.compile(SchemaCompiler.java:841)
at org.apache.xmlbeans.impl.tool.SchemaCompiler.main(SchemaCompiler.java:272)
Caused by: java.io.IOException: CreateProcess error=2, The system cannot find the file specified
at java.lang.ProcessImpl.create(Native Method)
at java.lang.ProcessImpl.<init>(Unknown Source)
at java.lang.ProcessImpl.start(Unknown Source)
... 6 more
BUILD FAILED
At first I thought the "C:\xmlbeans\bin\jar" it was looking for was a directory so I just created a folder "jar", but when I run it again the "jar" was referred as a file where I get error:
java.io.IOException: Cannot run program "C:\xmlbeans\bin\jar":
CreateProcess error=5, Access is denied
Please kindly help me how to fix this so that it don't look for "jar" file.
I looked "scomp.cmd" but there is no line that will do this.
Thank you in advance.

You are simply calling more applications, than you expect:
scomp -compiler "C:\Program Files (x86)\Java\jdk1.6.0_37\bin\javac.exe" -cp "C:\Components\*";
"C:\Components\jsr173_api.jar";
"C:\xmlbeans\lib\xbean.jar";
"C:\xmlbeans\lib\xbean_xpath.jar";
"C:\xmlbeans\lib\jaxen-1.1-beta-2.jar;" -out S2002PDPIn.jar S2002PDPIn.xsd
This happens because of ";", you would have to enclose the complete classpath with one " and seperate the values by ;.

How do I know what file wasn't found when java gives the error "The system cannot find the file specified"?

I'm getting the following exception in my code and I'm uncertain which file the system cannot find. Is it the command I'm executing that cannot be found gfortran.exe or is it a dynamic library that gfortran depends on? How can I tell, and which file is the one that cannot be found?
java.io.IOException: CreateProcess error=2, The system cannot find the file specified
at java.lang.ProcessImpl.create(Native Method)
at java.lang.ProcessImpl.<init>(ProcessImpl.java:376)
at java.lang.ProcessImpl.start(ProcessImpl.java:136)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1022)
Caused: java.io.IOException: Cannot run program "gfortran.exe" (in directory "C:\Users\Jason Zwolak\AppData\Local\Temp\pet2-biopack-Jason Zwolak"): CreateProcess error=2, The system cannot find the file specified
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1041)
at com.insilicalabs.pet2.publish.mpf.BiopackCompiler.compile(BiopackCompiler.java:154)
[catch] at com.insilicalabs.pet2.publish.mpf.PublishToMPFProvider.publishImpl(PublishToMPFProvider.java:190)
at com.insilicalabs.pet2.publish.mpf.PublishToMPFProvider.access$000(PublishToMPFProvider.java:60)
at com.insilicalabs.pet2.publish.mpf.PublishToMPFProvider$1.run(PublishToMPFProvider.java:67)
at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1432)
at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2044)
UPDATE
To clarify, if gfortran.exe is the file that cannot be found, will this always be the case with an error like this? Or could it be that a shared library cannot be found? How do I know which file cannot be found?

Let us go through this, step by step.
Caused: java.io.IOException: Cannot run program "gfortran.exe" (in directory "C:\Users\Jason Zwolak\AppData\Local\Temp\pet2-biopack-Jason Zwolak"): CreateProcess error=2, The system cannot find the file specified
If you look at the end of the line, it states that gfortran.exe cannot be found in the directory listed, or "The system cannot find the file specified."
Now, this will always be the case, IF the file cannot be found.
So the file can't be found, not the command.
We know that this isn't a library that depends of gfortran.exe or the library would be explicitly stated that the error is caused by a dependency in the stack.
This exception can be thrown when a file exists, but can't be accessed. This happens when file permissions don't allow reading or writing, etc.
Addressing the issue of ambiguity, if the system can't run a program, and the file listed cannot be found, assume it is a file that can't be found, and gfortran.exe is that file. To be sure that the program itself can't be run because of a file that can't be found (Which would be explicitly stated.), check at java.lang.ProcessBuilder.start(ProcessBuilder.java:1022)

running a jar example file with hadoop

Please go easy on me. I just started linux and hadoop at the same time. I have almost zero experience with linux and a complete beginner with hadoop.
I downloaded the file hadoop-1.1.1-bin.tar.gz from here:
http://www.motorlogy.com/apache/hadoop/common/hadoop-1.1.1/
I was able to unpack it.
I am following a tutorial that tells me to run:
bin/hadoop jar hadoop-*-examples.jar
I am getting this error:
agordon#Ubuntu32:/hadoop/hadoop-1.1.1$ bin/hadoop jar hadoop-*-examples-1.0.3.jar
Exception in thread "main" java.io.IOException: Error opening job jar: hadoop-*-examples-1.0.3.jar
at org.apache.hadoop.util.RunJar.main(RunJar.java:90)
Caused by: java.io.FileNotFoundException: hadoop-*-examples-1.0.3.jar (No such file or directory)
at java.util.zip.ZipFile.open(Native Method)
at java.util.zip.ZipFile.<init>(ZipFile.java:214)
at java.util.zip.ZipFile.<init>(ZipFile.java:144)
at java.util.jar.JarFile.<init>(JarFile.java:152)
at java.util.jar.JarFile.<init>(JarFile.java:89)
at org.apache.hadoop.util.RunJar.main(RunJar.java:88)
What am i doing wrong? thank you for your guidance.

Instead of hadoop-*-examples.jar use the full name of the jar file.