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java.io.FileNotFoundException - passing file to Java program


IBM Mainframe Forums -> Java & MQSeries
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Virendra Shambharkar

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Joined: 26 Aug 2015
Posts: 55
Location: India

PostPosted: Mon Feb 26, 2018 11:41 am
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Hi,

I am passing a flat file to a Java program as below :-

Code:
//*------------------------------------------------------
//* RUN JAVA PROGRAM TO USE THE SORTED FILE             
//*------------------------------------------------------
//STEP2   EXEC PGM=BPXBATCH,                             
//          PARM='SH java Filepgm1 //DD:INPUT'           
//SYSPRINT DD SYSOUT=*                                   
//SYSOUT   DD SYSOUT=*                                   
//STDOUT   DD PATH='/u/user/inp2.stdout',             
//            PATHOPTS=(OWRONLY,OCREAT,OTRUNC),         
//            PATHMODE=SIRWXU                           
//STDERR   DD PATH='/u/user/err2.stdout',             
//            PATHOPTS=(OWRONLY,OCREAT,OTRUNC),         
//            PATHMODE=SIRWXU                           
//STDENV   DD *                                         
PATH=/bin                                               
JAVA_HOME=/u/user                                     
/*                                                       
//INPUT    DD DSN=TEST.SORT.OUT.JAVA,DISP=SHR     


but getting an error "Exception in thread "main" java.io.FileNotFoundException:

Can you please advise how do I get rid of this error.

Thanks in advance.
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Nic Clouston

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Joined: 10 May 2007
Posts: 2455
Location: Hampshire, UK

PostPosted: Mon Feb 26, 2018 5:23 pm
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Assuming that the JCL above is correct then correct your program.
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enrico-sorichetti

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Joined: 14 Mar 2007
Posts: 10765
Location: italy

PostPosted: Mon Feb 26, 2018 7:06 pm
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You probably have a wrong ddname specified inside Your program
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Rohit Umarjikar

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Joined: 21 Sep 2010
Posts: 2632
Location: NYC,USA

PostPosted: Mon Feb 26, 2018 9:49 pm
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Quote:
but getting an error "Exception in thread "main" java.io.FileNotFoundException:

There could be many reason to it, it could be access isssue, did you first check it with the team who manages the Java code, they must tell you why you are getting this error? If not, then please do so.
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Virendra Shambharkar

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Joined: 26 Aug 2015
Posts: 55
Location: India

PostPosted: Tue Feb 27, 2018 3:59 pm
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Hi,

While reading the file I am using the below syntax

Code:
 public static void main(String-- args) throws Exception {
     File file=new File("//DD:INPUT");                   
     Scanner sc=new Scanner(file);           



Thanks,
Virendra
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enrico-sorichetti

Superior Member


Joined: 14 Mar 2007
Posts: 10765
Location: italy

PostPosted: Tue Feb 27, 2018 5:29 pm
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my usual way of debugging this errors
( where the error messages gives no hint at all )

is to find out the behaviour when I KNOW i made one (error )

just change the ddname in the jcl to something else
or just drop the DD statement and see what happens

or ...
Quote:
java.io.FileNotFoundException


some OTHER DDname - but nobody here will be able to tell - is really missing from the JCL
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