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Cannot connect server after I installed Abap server and Java Server of Netweaver 7.0

Feb 20, 2017 at 10:25 AM

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Hello Exports,

I created a virtual machine on monsoon and successfully install ABAP server and JAVA server of Netweaver 7.0. You could review the following page to check server status. ADS is ABAP server and DDS is JAVA server.

But when I tried to logon ABAP server and JAVA server through SAP GUI, there is always an error popped up on both servers. I don't know why this happen and how could I debug it. Could you please help me?

Then I tried to use Chrome to logon, index page of JAVA server could be opened. But I cannot logon using my admin account. Could you please tell me what is the default admin user for JAVA sever?

Thank you very much for your help. Really appreciated!!!

BR

Alex Du

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2 Answers

Isaias Freitas
Feb 22, 2017 at 08:29 PM
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Hello Alex,

Your ADS instance 0 is "yellow", which means that the instance did not start completely.

You can expand the instance 0 and then select "process list".

Based on the error at the SAP GUI, I would guess that the Dispatcher (disp+work) is not running.

You can attach to this thread a screenshot from the process list as well as the following trace files:

  • dev_disp
  • dev_w0

Cheers!

Isaías

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Hi Isaias,

I checked process list which you said. You are correct. The disp+work.EXT is stopped.

Then I checked the Syslog and found the system error.

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I will check the database status and find out why server cannot connect to MaxDB. Do you know any commands to debug it in windows server? Thank you very much. Really appreciated.

BR

Alex

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Hello Alex,

I am glad that I was able to guide you one step closer to the root cause :o).

I do not work with MaxDB, though, so I do not know what could you check to see why it did not start.

Good luck! :o)

Isaías

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Hi Alex,

Good troubleshooting so far, and helpful information. I'm not a MaxDB person myself, so can't help if the problem turns out to be with the database itself. You might want to double-check that the database is properly started. If it looks like there are MaxDB issues, then I suggest adding another secondary tag to this question, as I believe there is one for MaxDB.

If the database is fine, then I would next look at the dispatcher developer trace. This will likely provide more detailed technical information about why the dispatcher (disp+work.exe) stopped than the system log does. You can easily get at this trace by right-clicking on your stopped disp+work.exe process in your process list and choosing Developer Trace in the pop-up menu. It will probably have a lot of information in it, so you might want to copy it to a text file and then upload that as an attachment here, rather than copy/pasting it directly into a reply. Or, you might see an obvious issue in the trace yourself. Anyway, I think that's your next step.

Cheers,
Matt

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Hi Matt,

Thank you so so much for your answer. I checked the trace file and found the database cannot be connected. Then I tried to start the database service base on MaxDB's admin doc. And there is an error popped up. You could review my screenshot.

Next I will try to fix this issue. Thank you again for your help.

BR

Alex

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Ok, it's definitely a MaxDB problem, so it is beyond me to help now. Still, you've narrowed it down.

I changed the primary tag on the question to "SAP MaxDB" as that's now the area where you'll need to seek experts to assist. I did add "SAP NetWeaver Application Server for ABAP" as a secondary tag, just to keep that in the loop.

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Matt Fraser
Feb 22, 2017 at 09:58 PM
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I would further add that SAPGUI cannot connect to your Java server -- that UI is intended for the ABAP server. So, an inability to connect to DDS through the GUI is correct.

The default Java administrator, if it's a standalone system using the Java user store, is "Administrator." However, if you chose the ABAP user store when you installed it, then the default will be "J2EE_ADM_<SID>," i.e. "J2EE_ADM_DDS" in your case. I'm guessing you didn't do this, however, as I think DDS would have had a problem starting up if it couldn't connect to its user store, and since the ABAP system isn't starting...

Cheers,
Matt

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Hi Matt,

During I installed JAVA server, I didn't use ABAP server's UAM. I tried the user "J2EE_ADM_DDS" and it also cannot logon. As you said, the first thing I will do is to fix ABAP server's logon issue. After I fix this, I will try again. Thank you very much for your answer.

BR

Alex

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