Problem resolving host name.

Hi all,
How can I resolve some host name's IP address? Example: I've got the host name "java.sun.com" and I need to know its IP address. How can that be done?
I first thought about
InetAddress addr = InetAddress.getByName("java.sun.com");but it threw an UnknownHostException, even though I were connected to the internet and could open this page in the browser.
Again, how can I do that?
Thank you all in advance
Filipe Fedalto

Oh, geez!
You are right, I have a proxy. Is there any way I could still do it? I mean, the proxy gives me full access to the internet, so that if I type this URL into a browser it allows me to view the page...

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1 processor P Family 6 Model 15 Stepping 6
Windows 2000 Server (Terminal Server) v5.2 build 3790 (S)
Physical Total/Avail: 1.546.728 Kb / 878.328 Kb
Temp directory C:\DOCUME1\ADMINI1\IMPOST~1\Temp\ (1 Kb available)
'Unknown' video card
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Unhandled Exception
Code: e06d7363
Description unavailable
Call stack:
Module at   0x7c800000: C:\WINDOWS\system32\kernel32.dll v 5.2.3790.3959 <i>
    address: 0x7c80bee7
Module at   0x7c340000: C:\WINDOWS\system32\MSVCR71.dll v 7.10.3052.4 <i>
    address: 0x7c359aed
Module at   0x49920000: C:\Business Objects\BusinessObjects Enterprise 12.0\win32_x86\cpi18n.dll v 12.0.0.683 <i>
    address: 0x4994c1e3
Module at   0x00f20000: C:\Business Objects\BusinessObjects Enterprise 12.0\win32_x86\xerces-c_2_7.dll v 2.7.0.0 <i>
    address: 0x01007261
    address: 0x01c281f0
    address: 0x01006e65
Application:
3980 "
current thread 0x814
started: martedu00EC 21 luglio 2009 at 10.06
ends:    martedu00EC 21 luglio 2009 at 10.06
User mode: 330 ms   Kernel mode: 450 ms
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    0x546C0000     C:\Business Objects\BusinessObjects Enterprise 12.0\win32_x86\rptdisp.dll      v 12.0.0.683      [Inglese (Stati Uniti)]
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    0x547E0000     C:\Business Objects\BusinessObjects Enterprise 12.0\win32_x86\BOFCEngine.dll      v 12.0.0.683      [Inglese (Stati Uniti)]
    0x54AB0000     C:\Business Objects\BusinessObjects Enterprise 12.0\win32_x86\category.dll      v 12.0.0.683      [Inglese (Stati Uniti)]
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    0x54D70000     C:\Business Objects\BusinessObjects Enterprise 12.0\win32_x86\bofcui.dll      v 12.0.0.683      [Inglese (Stati Uniti)]
    0x55290000     C:\Business Objects\BusinessObjects Enterprise 12.0\win32_x86\kquery.dll      v 12.0.0.683      [Inglese (Stati Uniti)]
    0x55640000     C:\Business Objects\BusinessObjects Enterprise 12.0\win32_x86\BOFCDialogs.dll      v 12.0.0.683      [Inglese (Stati Uniti)]
    0x556E0000     C:\Business Objects\BusinessObjects Enterprise 12.0\win32_x86\vartools.dll      v 12.0.0.683      [Inglese (Stati Uniti)]
    0x56970000     C:\Business Objects\BusinessObjects Enterprise 12.0\win32_x86\FCRepoProxy.dll      v 12.0.0.683      [Inglese (Stati Uniti)]
    0x597C0000     C:\Business Objects\BusinessObjects Enterprise 12.0\win32_x86\libOCASecurityw-3-0.dll      v 12.0.0.683      [Inglese (Stati Uniti)]
    0x5D360000     C:\WINDOWS\system32\MFC71ITA.DLL      v 7.10.3077.0      [Italiano (Italia)]
    0x63000000     C:\Business Objects\BusinessObjects Enterprise 12.0\win32_x86\etc-1-0-12-5.dll      v 12.0.0.683      [Inglese (Stati Uniti)]
    0x64000000     C:\Business Objects\BusinessObjects Enterprise 12.0\win32_x86\ebus-3-3-2-6.dll      v 12.0.0.683      [Inglese (Stati Uniti)]
    0x6D7C0000     C:\WINDOWS\system32\dbghelp.dll      v 5.2.3790.3959      [Inglese (Stati Uniti)]
    0x71950000     C:\WINDOWS\System32\mswsock.dll      v 5.2.3790.3959      [Italiano (Italia)]
    0x719E0000     C:\WINDOWS\system32\WSOCK32.dll      v 5.2.3790.0      [Italiano (Italia)]
    0x71A20000     C:\WINDOWS\system32\WS2HELP.dll      v 5.2.3790.3959      [Italiano (Italia)]
    0x71A30000     C:\WINDOWS\system32\WS2_32.dll      v 5.2.3790.3959      [Inglese (Stati Uniti)]
    0x72EA0000     C:\WINDOWS\system32\WINSPOOL.DRV      v 5.2.3790.3959      [Italiano (Italia)]
    0x743D0000     C:\WINDOWS\system32\MSCTF.dll      v 5.2.3790.3959      [Italiano (Italia)]
    0x744C0000     C:\WINDOWS\system32\msi.dll      v 3.1.4000.3959      [Lingua di sistema]
    0x76080000     C:\WINDOWS\system32\MSASN1.dll      v 5.2.3790.3959      [Inglese (Stati Uniti)]
    0x760A0000     C:\WINDOWS\system32\CRYPT32.dll      v 5.131.3790.3959      [Italiano (Italia)]
    0x76170000     C:\WINDOWS\system32\MSIMG32.dll      v 5.2.3790.0      [Inglese (Stati Uniti)]
    0x761A0000     C:\WINDOWS\system32\comdlg32.dll      v 6.0.3790.3959      [Italiano (Italia)]
    0x76670000     C:\WINDOWS\system32\hlink.dll      v 5.2.3790.3959      [Inglese (Stati Uniti)]
    0x76DC0000     C:\WINDOWS\system32\DNSAPI.dll      v 5.2.3790.3959      [Italiano (Italia)]
    0x76E00000     C:\WINDOWS\system32\WLDAP32.dll      v 5.2.3790.3959      [Italiano (Italia)]
    0x76E40000     C:\WINDOWS\system32\Secur32.dll      v 5.2.3790.3959      [Inglese (Stati Uniti)]
    0x76E60000     C:\WINDOWS\System32\winrnr.dll      v 5.2.3790.3959      [Inglese (Stati Uniti)]
    0x76E70000     C:\WINDOWS\system32\rasadhlp.dll      v 5.2.3790.3959      [Inglese (Stati Uniti)]
    0x77340000     C:\WINDOWS\WinSxS\x86_Microsoft.Windows.Common-Controls_6595b64144ccf1df_6.0.3790.3959_x-ww_D8713E55\comctl32.dll      v 6.0.3790.3959      [Inglese (Stati Uniti)]
    0x774F0000     C:\WINDOWS\system32\ole32.dll      v 5.2.3790.3959      [Italiano (Italia)]
    0x779B0000     C:\WINDOWS\system32\WININET.dll      v 6.0.3790.3959      [Italiano (Italia)]
    0x77A60000     C:\WINDOWS\system32\urlmon.dll      v 6.0.3790.3959      [Italiano (Italia)]
    0x77B60000     C:\WINDOWS\system32\VERSION.dll      v 5.2.3790.3959      [Inglese (Stati Uniti)]
    0x77B70000     C:\WINDOWS\system32\msvcrt.dll      v 7.0.3790.3959      [Inglese (Stati Uniti)]
    0x77BD0000     C:\WINDOWS\system32\GDI32.dll      v 5.2.3790.3959      [Inglese (Stati Uniti)]
    0x77C20000     C:\WINDOWS\system32\RPCRT4.dll      v 5.2.3790.3959      [Inglese (Stati Uniti)]
    0x77CD0000     C:\WINDOWS\system32\OLEAUT32.dll      v 5.2.3790.3959      [Inglese (Stati Uniti)]
    0x77D70000     C:\WINDOWS\system32\ADVAPI32.dll      v 5.2.3790.3959      [Italiano (Italia)]
    0x77E20000     C:\WINDOWS\WinSxS\x86_Microsoft.Windows.Common-Controls_6595b64144ccf1df_5.82.3790.3959_x-ww_78FCF8D0\COMCTL32.dll      v 5.82.3790.3959      [Inglese (Stati Uniti)]
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I got this exception importing the universe from cms in the Translation Manager:
[repo_proxy 37] UniverseFacade::importUniverse - (Helpers::InfoStore::ObjectFileHandle::extractContent) Local file copy has failed Errore del File Repository Server: La directory C:\Documents and Settings\Administrator\Dati applicazioni\Business Objects\Business Objects 12.0\Universes\@l3_dwhsrv_6400\Folder 95/Universes\ richiesta u00E8 inesistente.(hr=#0x80042a4a)
I'd like to know if:
1) Is this a problem because of the Virtual PC virtual machine?
2) Is this a problem because of the BO problem with underscore in the host name?
and
3) How can I resolve this problem without changing the host name?
Thank you for your attention,
Giorgio
Edited by: Agliano Giorgio on Jul 21, 2009 12:28 PM

Hi Agliano,
changing the Hostname of a Server after BO is installed is a bad idea ! The WAR files for your Tomcat are in some sort "hardcoded".
I would suggest re- deploying your war files on the Tomcat would fix this issue. Check SAP Note - 1308027 for assistance.
Regards
-Seb.

Login problem with E-Recruiting URL, where check host name?

Hi,
I've set up a standard Recruiter user and assigned him the standard Recruiter security profile. When I run RCF_GENERATE_URLS, I get this URL:
http://iwdfvm2160.wdf.sap.corp:51080/sap/bc/bsp/sap/hrrcf_start_int?sap-client=200&sap-language=EN&rcfSpId=0003
But I get an "internal error" when I login with my User. Our server's host name is iwdfvm2160.gcsap.com, but the program isn't resolving this. This is probably the cause of the error, but how can I get it to pick up our host name?
We are on E-Recruiting version 6, and it's running on the same box as HCM.
Thanks, Vlad

Hello Vlad,
usually the links generated from the report are correct. Only very rare problem might be in the network structure of your company that the internal dns servers can't resolve the server name or the sap servers are in a not reachable network segmant as you never worked with http access to the servers for other applicatiohns.
But if you log on the first time with your user and have not been working with the application yet, the more probable reason for this error is the missing candidate for e-recruiting. Without a candidate you won't be able to work with the application.
Check transaction SLG1. There should be an error "No candidate for User <your username>" or sth. similar.
If so run report RCF_CREATE_USER to get a candidate. Then you should be able to log on.
If you already have a candidate and cannot login check SLG1 and SM21 for error messages. If there are any but you don't feel able to solve the logged problem. Just post the message here. I think someone will be able to help.
Best Regards
Roman Weise

The host name cannot be resolve ? ( with linksys router )

Hi all, I have some problem with setting up a network. I tried to set my network according to http://wiki.archlinux.org/index.php/Configuring_network the network/internet is fine except the host name with "http://" cannot be resolve. For example
ping 216.239.61.104
ping www.gogle.com
both work fine, until I try,
ping http://www.google.com
it give me error, tell me that the hostname cannot be resolved. I tried to config my network using both dhcp or fix-ip, but the problem still present in both way. Internet works fine in windows/ubuntu.
Anyboy has any clue ? The router I use is wrt54gl with tomato firmware.
thanks in advance.

kowalski wrote:
Hi,
if pinging www.google.com works then dns resolving _does_ work. Why would you want to ping http://something?
You should try opening http://whatever in a browser not pinging it from command line.
Or am I missing something obvious?
Yes, for instance, all mirror list for pacman is in "http://...." or "ftp://...." form. I could easily change the repository list, but I'm not sure if it'll have same problem in future with other program. Also, if it work in ubuntu and windows, why not arch.

Fundamental Problem: ORA-12154: TNS:could not resolve service name

Hello,
I am faced with a fundamental problem:
ORA-12154: TNS:could not resolve service name
I can say with a high level of confidence that the TNSNAMES.ora configuration file is not the problem. My peer is using the exact same file with no issues. I am using the TOAD database utility to connect to the db host. Also, I have ORACLE_HOME defined and the file is located in /network/ADMIN.
Any ideas?

Hello,
Make sure your toad looking into right tnsnames.ora; also try this from command line after adding following entry to your tnsnames.ora.
sqlplus username/password@ECDEV
ECDEV =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS =
        (PROTOCOL = TCP)
        (HOST = rscdd01) --> you can try ipaddress of your server name as well
        (PORT = 1521)
    (SDU = 8192)
    (CONNECT_DATA =
      (SERVICE_NAME =ECDEV)
      (INSTANCE_NAME=ECDEV)
)Edited by: OrionNet on Dec 23, 2008 2:22 PM

Catalog backup getting Error resolving host - unknown host name in dataset

I have new install of OSB version 10.3.0.1.0 [Admin, Mediaserver, Client] installed on the same OEL server. My Catalog Backup jobs end up with error " unknown host name in dataset" and the job detail shows only "Error resolving host - unknown host name in dataset" while I can ping the admin host with obtool pingh command. The standard auto created Catalog backup dataset looks like this:
Dataset: OSB-CATALOG-DS
# Dataset for backing up the OSB Catalog on this administrative host
include catalog
I am able to create a separate dataset with the hostname defined and able to backup filesystems on the same host, np . Only the catalog backup from system generated dataset and schedule doesn't run. I appreciate any help or tip to make this catalog backup work. Thanks.

This problem is fixed by just restarting observiced on admin server.

We have created shared folder on multiple client machine in domain environment on different 2 OS like-XP,Vista, etc. from some day's When we facing problem when we are access from host name that shared folder is accessible but same time same computer when

Hello All,
we have created shared folder on multiple client machine in domain environment on different 2 OS like-XP,Vista, etc.
from some day's When we facing problem when we are access from host name that shared folder is accessible but same time same computer when we are trying to access the share folder with IP it asking for credentials i have type again and again
correct credential but unable to access that. If i re-share the folder then we are access it but when we are restarted the system then same problem is occurring.
I have checked IP,DNS,Gateway and more each & everything is well.
Pls suggest us.
Pankaj Kumar

Hi,
According to your description, my understanding is that the same shared folder can be accessed by name, but can’t be accessed be IP address and asks for credentials.
Please try to enable the option below on the device which has shared folder:
Besides, check the Advanced Shring settings of shared folder and confrim that if there is any limitation settings.
Best Regards,
Eve Wang
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How to resolve a host name from IP using JNDI/DNS service provider

Hi
I got two questions on JNDI/DNS service provider:
1) How to resolve a host name when i got an IP
I understand How I do it inverse.
Hashtable env = new Hashtable();
env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.dns.DnsContextFactory");
env.put(Context.PROVIDER_URL, "dns://"+server+"/"+domain);
DirContext ictx = new InitialDirContext(env);
Attributes attrs1 = ictx.getAttributes(host, new String[] {"A"});
2) This example above works when I specify the domain in the provider url.
If I am not specifing a domain but only the dns server I got an NameNotFoundException.
What should I do if I don't got the domain?
get the availible domains and loop on them?

Hi,
if your DNS server supports that, you can do a reverse DNS lookup. This works as follows:
String server = "your.dns.server";
String domain = "in-addr.arpa";
String ip = "4.3.2.1";
Hashtable env = new Hashtable();
env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.dns.DnsContextFactory");
env.put(Context.PROVIDER_URL, "dns://" + server + "/" + domain);
DirContext ictx = new InitialDirContext(env);
Attributes attrs1 = ictx.getAttributes(ip, new String[] {"PTR"});1: Use the pseudo-domain in-addr.arpa
2: Use the reverse IP address for lookup, i.e. if your host has 1.2.3.4, use 4.3.2.1!!
3: Request the PTR attribute
see also [http://en.wikipedia.org/wiki/Reverse_DNS_lookup|http://en.wikipedia.org/wiki/Reverse_DNS_lookup]
Martin

Problem resolving host name.

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