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Please add a Try catch statement or Optional usage for retrieving the files when it has no volume serial associated to it. Code line 59

We are trying to use this sample code and are getting
Assertion failed: directBufferUtilsClazz != NULL,
file: /proj/hsf/git/HSFB0204i/HQX77C0/javajni/src/isfbuffer.cpp, line: 110

We can not determine the cause of the error, nor can we locate the source.

Any suggestions would be appreciated.

Hi,

I want to read the DSCB for an extended address volume(EAV) data set, i find that I can use the readDSCBChain() to do it.
When I use this method, it returned the Format1DSCB DSCB anyway, I suppose that because there is no EAV data set in my environment.
As the JZOS document said that it would return all the DSCB chain for the data set. What’s the meaning of the DSCB chain? Could you please give me an example for the data for the EAV data set returned by this method?
Could you please give me an simple sample for the readDSCBChain() method? I can't find it in this repository.

Thanks.

I wonder if anyone knows how to call a java batch program from an assembler.
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Thank you

Hi,

I don't find the way to get the file size for a Z/os sequential file in bytes or even in tracks.

How can I do that?

Regards,
Mathias.

In JCL I can do something like this:

//SYS022  DD DSN=MY.FILE.NUMBER1,DISP=SHR
//        DD DSN=MY.FILE.NUMBER2,DISP=SHR

How do I allocate this for use in DFSORT in Java?
The examples always show that you fetch the "real" file name and assign it, but this does not work for a multi file DD statement.