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ProcessBuilder not returning with linux command response

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0

I am having an issue running a linux command using ProcessBuilder in java

I have already tried the following

• redirecting the output and error streams just in case to see if I still get a response or not


• creating a bash script file out of the plain command to see if that works


• using sh/csh to run the command

nothing from the above seems to work. Any help in this regards would be highly appreciable!

ProcessBuilder builder = new ProcessBuilder("/bin/bash", "-c",
 "exec /proj/tgf_ki/dailytest/bin/tgv STABTDD4A");
 System.out.println("command :: " + builder.command());
 Process child = builder.start();
 List<String> lines1 = new ArrayList<>();
 InputStreamReader isr = new InputStreamReader(child.getInputStream());
 BufferedReader br = new BufferedReader(isr);
 br.lines().forEach(lines1::add);
 System.out.println(lines1);

 child.waitFor();

I expect that I get a response back from the outputstream but the thread just waits indefinitely at the line child.waitFor()

there is another similar command called tgr which returns successfully with the response! Since I am an external developer towards the scripts provided by the client, I am not really sure if there was any difference in the scripts tgr and tgv

java linux command processbuilder

share|improve this question

asked Mar 25 at 9:42

user1716304user1716304

1555 bronze badges

add a comment | 

0

I am having an issue running a linux command using ProcessBuilder in java

I have already tried the following

• redirecting the output and error streams just in case to see if I still get a response or not


• creating a bash script file out of the plain command to see if that works


• using sh/csh to run the command

nothing from the above seems to work. Any help in this regards would be highly appreciable!

ProcessBuilder builder = new ProcessBuilder("/bin/bash", "-c",
 "exec /proj/tgf_ki/dailytest/bin/tgv STABTDD4A");
 System.out.println("command :: " + builder.command());
 Process child = builder.start();
 List<String> lines1 = new ArrayList<>();
 InputStreamReader isr = new InputStreamReader(child.getInputStream());
 BufferedReader br = new BufferedReader(isr);
 br.lines().forEach(lines1::add);
 System.out.println(lines1);

 child.waitFor();

I expect that I get a response back from the outputstream but the thread just waits indefinitely at the line child.waitFor()

there is another similar command called tgr which returns successfully with the response! Since I am an external developer towards the scripts provided by the client, I am not really sure if there was any difference in the scripts tgr and tgv

java linux command processbuilder

share|improve this question

asked Mar 25 at 9:42

user1716304user1716304

1555 bronze badges

add a comment | 

I am having an issue running a linux command using ProcessBuilder in java

I have already tried the following

• redirecting the output and error streams just in case to see if I still get a response or not


• creating a bash script file out of the plain command to see if that works


• using sh/csh to run the command

nothing from the above seems to work. Any help in this regards would be highly appreciable!

ProcessBuilder builder = new ProcessBuilder("/bin/bash", "-c",
 "exec /proj/tgf_ki/dailytest/bin/tgv STABTDD4A");
 System.out.println("command :: " + builder.command());
 Process child = builder.start();
 List<String> lines1 = new ArrayList<>();
 InputStreamReader isr = new InputStreamReader(child.getInputStream());
 BufferedReader br = new BufferedReader(isr);
 br.lines().forEach(lines1::add);
 System.out.println(lines1);

 child.waitFor();

I expect that I get a response back from the outputstream but the thread just waits indefinitely at the line child.waitFor()

there is another similar command called tgr which returns successfully with the response! Since I am an external developer towards the scripts provided by the client, I am not really sure if there was any difference in the scripts tgr and tgv

java linux command processbuilder

share|improve this question

asked Mar 25 at 9:42

user1716304user1716304

1555 bronze badges

ProcessBuilder builder = new ProcessBuilder("/bin/bash", "-c",
 "exec /proj/tgf_ki/dailytest/bin/tgv STABTDD4A");
 System.out.println("command :: " + builder.command());
 Process child = builder.start();
 List<String> lines1 = new ArrayList<>();
 InputStreamReader isr = new InputStreamReader(child.getInputStream());
 BufferedReader br = new BufferedReader(isr);
 br.lines().forEach(lines1::add);
 System.out.println(lines1);

 child.waitFor();

share|improve this question

asked Mar 25 at 9:42

user1716304user1716304

1555 bronze badges

share|improve this question

asked Mar 25 at 9:42

user1716304user1716304

1555 bronze badges

asked Mar 25 at 9:42

user1716304user1716304

1555 bronze badges

asked Mar 25 at 9:42

user1716304user1716304

1555 bronze badges