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Former Member

MMC Message : connection to instance failed <sap dialog instance>

Hi ALL :

After new installation of JAVA Application Server , in MMC I get the following message :

Connection to Instance < Instance Name > , < instance no > failed, connection refused.

The logs at dev_server0 :

dev_server0 :

J Sun Oct 23 12:54:52 2011
J  [GC [ParNew: 440280K->2802K(655104K), 0.0247900 secs] 890034K->452866K(5024512K), 0.0250910 secs]
J
J Sun Oct 23 13:05:52 2011
J  [GC [ParNew: 439538K->3821K(655104K), 0.0289290 secs] 889602K->453885K(5024512K), 0.0292310 secs]
J
J Sun Oct 23 13:15:52 2011
J  [GC [ParNew: 440557K->4200K(655104K), 0.0277390 secs] 890621K->454264K(5024512K), 0.0280400 secs]
J
J Sun Oct 23 13:25:38 2011
J  [GC [ParNew: 440936K->8683K(655104K), 0.0575100 secs] 891000K->458747K(5024512K), 0.0578150 secs]
J
J Sun Oct 23 13:35:51 2011
J  [GC [ParNew: 445380K->2789K(655104K), 0.0304580 secs] 895444K->453765K(5024512K), 0.0307510 secs]
J
J Sun Oct 23 13:44:52 2011
J  [GC [ParNew: 439525K->2625K(655104K), 0.0264700 secs] 890501K->453626K(5024512K), 0.0267760 secs]
J
J Sun Oct 23 13:53:52 2011
J  [GC [ParNew: 439361K->3311K(655104K), 0.0290420 secs] 890362K->454313K(5024512K), 0.0293830 secs]

and logs at std_server0.out :

[GC [ParNew: 446412K->25039K(655104K), 0.1312930 secs] 897476K->476102K(5024512K), 0.1316050 secs]
[GC [ParNew: 461775K->6174K(655104K), 0.0363780 secs] 912838K->457246K(5024512K), 0.0366820 secs]
[GC [ParNew: 442910K->3709K(655104K), 0.0296220 secs] 893982K->454788K(5024512K), 0.0299260 secs]
[GC [ParNew: 440445K->3614K(655104K), 0.0320890 secs] 891524K->454694K(5024512K), 0.0323980 secs]

>> Will increasing Heap Memory for the Application Server Node, solve this issue ?

Pl. share your knowledge on this.

Thanks,

Rgds,

- Ishan

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1 Answer

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    Former Member
    Oct 24, 2011 at 08:06 AM

    That traces showing VM Container issue or New Area issue

    I would suggest to install the latest recommended JDK as per SAP notes:

    716604 and 718901 and adjust the JVM parameters as described in SAP notes:

    1044330 and 723909

    Regards,

    Vincent

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