HTTP loadbalancing with tomcat4

hi,
first question: does tomcat4 support http loadbalancing?
second question: i have a webszenario with 80.000 visits per day. how many instances of tomcat do i need to manage this?
thx
pumpindave

http://faqchest.dynhost.com/prgm/tomcat-l/
http://www.ubeans.com/tomcat.
I hope these link may help u.
It is done successfully by my friend. So just dig it.
bye,
Samir

Similar Messages

Error while creating the HTTP client with destination GB_DPSRetrieve

Hi All,
It is an interface R/3 -->XI --> HTTP ( proxy to HTTP ).
Please find the error log below and throw some light why the HTTP adapter is getting error -
<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
- 
- <SOAP:Envelope xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/" xmlns:SAP="http://sap.com/xi/XI/Message/30">
- <SOAP:Header>
- <SAP:Main xmlns:SAP="http://sap.com/xi/XI/Message/30" xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/" xmlns:wsu="http://www.docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" versionMajor="003" versionMinor="000" SOAP:mustUnderstand="1" wsu:Id="wsuid-main-92ABE13F5C59AB7FE10000000A1551F7">
<SAP:MessageClass>SystemError</SAP:MessageClass>
<SAP:ProcessingMode>synchronous</SAP:ProcessingMode>
<SAP:MessageId>DC98499F-7E42-74F1-A41F-0017A4107EE6</SAP:MessageId>
<SAP:RefToMessageId>DC98499C-A1EA-BEF1-B4DD-00110A63BF06</SAP:RefToMessageId>
<SAP:TimeSent>2007-11-21T15:51:30Z</SAP:TimeSent>
- <SAP:Sender>
<SAP:Party agency="http://sap.com/xi/XI" scheme="XIParty">GovernmentGateway</SAP:Party>
<SAP:Service>GGMailbox</SAP:Service>
<SAP:Interface namespace="http://sap.com/xi/E-FILING_GB/2005">DPSretrieve</SAP:Interface>
</SAP:Sender>
- <SAP:Receiver>
<SAP:Party agency="" scheme="" />
<SAP:Service>SAP_DEV_ERP2005</SAP:Service>
<SAP:Interface namespace="http://sap.com/xi/HR">HR_GB_EFI_DPSretrieve</SAP:Interface>
</SAP:Receiver>
<SAP:Interface namespace="http://sap.com/xi/E-FILING_GB/2005">DPSretrieve</SAP:Interface>
</SAP:Main>
- <SAP:ReliableMessaging xmlns:SAP="http://sap.com/xi/XI/Message/30" xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/" SOAP:mustUnderstand="1">
<SAP:QualityOfService>BestEffort</SAP:QualityOfService>
</SAP:ReliableMessaging>
- <SAP:Error xmlns:SAP="http://sap.com/xi/XI/Message/30" xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/" SOAP:mustUnderstand="1">
<SAP:Category>XIAdapter</SAP:Category>
<SAP:Code area="PLAINHTTP_ADAPTER">ATTRIBUTE_CLIENT_DEST</SAP:Code>
<SAP:P1>GB_DPSRetrieve</SAP:P1>
<SAP:P2 />
<SAP:P3 />
<SAP:P4 />
<SAP:AdditionalText />
<SAP:ApplicationFaultMessage namespace="" />
<SAP:Stack>Error while creating the HTTP client with destination GB_DPSRetrieve</SAP:Stack>
<SAP:Retry>N</SAP:Retry>
</SAP:Error>
- <SAP:HopList xmlns:SAP="http://sap.com/xi/XI/Message/30" xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/" SOAP:mustUnderstand="1">
- <SAP:Hop timeStamp="2007-11-21T15:51:30Z" wasRead="false">
<SAP:Engine type="BS">SAP_DEV_ERP2005</SAP:Engine>
<SAP:Adapter namespace="http://sap.com/xi/XI/System">XI</SAP:Adapter>
<SAP:MessageId>DC98499C-A1EA-BEF1-B4DD-00110A63BF06</SAP:MessageId>
<SAP:Info>3.0</SAP:Info>
</SAP:Hop>
- <SAP:Hop timeStamp="2007-11-21T15:51:30Z" wasRead="false">
<SAP:Engine type="IS">is.00.lbsth-tb1ci</SAP:Engine>
<SAP:Adapter namespace="http://sap.com/xi/XI/System">XI</SAP:Adapter>
<SAP:MessageId>DC98499C-A1EA-BEF1-B4DD-00110A63BF06</SAP:MessageId>
<SAP:Info>3.0</SAP:Info>
</SAP:Hop>
- <SAP:Hop timeStamp="2007-11-21T15:51:30Z" wasRead="false">
<SAP:Engine type="IS" />
<SAP:Adapter namespace="http://sap.com/xi/XI/System">HTTP</SAP:Adapter>
<SAP:MessageId>DC98499C-A1EA-BEF1-B4DD-00110A63BF06</SAP:MessageId>
<SAP:Info />
</SAP:Hop>
</SAP:HopList>
- <SAP:RunTime xmlns:SAP="http://sap.com/xi/XI/Message/30" xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/">
<SAP:Date>20071121</SAP:Date>
<SAP:Time>155130</SAP:Time>
<SAP:Host>lbsth-tb1ci</SAP:Host>
<SAP:SystemId>XIS</SAP:SystemId>
<SAP:SystemNr>00</SAP:SystemNr>
<SAP:OS>Windows NT</SAP:OS>
<SAP:DB>ORACLE</SAP:DB>
<SAP:Language />
<SAP:ProcStatus>023</SAP:ProcStatus>
<SAP:AdapterStatus>000</SAP:AdapterStatus>
<SAP:User>PISUPER</SAP:User>
<SAP:TraceLevel>1</SAP:TraceLevel>
<SAP:LogSeqNbr>000</SAP:LogSeqNbr>
<SAP:RetryLogSeqNbr>000</SAP:RetryLogSeqNbr>
<SAP:PipelineIdInternal>SAP_CENTRAL</SAP:PipelineIdInternal>
<SAP:PipelineIdExternal>CENTRAL</SAP:PipelineIdExternal>
<SAP:PipelineElementId>60C3C53B4BB7B62DE10000000A1148F5</SAP:PipelineElementId>
<SAP:PipelineService>PLSRV_CALL_ADAPTER</SAP:PipelineService>
<SAP:QIdInternal />
<SAP:CommitActor>X</SAP:CommitActor>
<SAP:SplitNumber>0</SAP:SplitNumber>
<SAP:NumberOfRetries>0</SAP:NumberOfRetries>
<SAP:NumberOfManualRetries>0</SAP:NumberOfManualRetries>
<SAP:TypeOfEngine client="200">CENTRAL</SAP:TypeOfEngine>
<SAP:PlsrvExceptionCode />
<SAP:EOReferenceRuntime type="TID" />
<SAP:EOReferenceInbound type="TID" />
<SAP:EOReferenceOutbound type="TID" />
<SAP:MessageSizePayload>0</SAP:MessageSizePayload>
<SAP:MessageSizeTotal>2918</SAP:MessageSizeTotal>
<SAP:PayloadSizeRequest>0</SAP:PayloadSizeRequest>
<SAP:PayloadSizeRequestMap>0</SAP:PayloadSizeRequestMap>
<SAP:PayloadSizeResponse>0</SAP:PayloadSizeResponse>
<SAP:PayloadSizeResponseMap>0</SAP:PayloadSizeResponseMap>
<SAP:Reorganization>INI</SAP:Reorganization>
<SAP:AdapterInbound>PLAINHTTP</SAP:AdapterInbound>
<SAP:AdapterOutbound>IENGINE</SAP:AdapterOutbound>
<SAP:InterfaceAction>INIT</SAP:InterfaceAction>
<SAP:RandomNumber>15</SAP:RandomNumber>
<SAP:AckStatus>000</SAP:AckStatus>
<SAP:SkipReceiverDetermination />
<SAP:Receiver_Agreement_GUID>24422A5646443F8E9D975D57A3EE8162</SAP:Receiver_Agreement_GUID>
</SAP:RunTime>
- <SAP:PerformanceHeader xmlns:SAP="http://sap.com/xi/XI/Message/30">
- <SAP:RunTimeItem>
<SAP:Name type="ADAPTER_IN">INTEGRATION_ENGINE_HTTP_ENTRY</SAP:Name>
<SAP:Timestamp type="begin" host="lbsth-tb1ci">20071121155130.5</SAP:Timestamp>
</SAP:RunTimeItem>
- <SAP:RunTimeItem>
<SAP:Name type="ADAPTER_IN">INTEGRATION_ENGINE_HTTP_ENTRY</SAP:Name>
<SAP:Timestamp type="end" host="lbsth-tb1ci">20071121155130.515</SAP:Timestamp>
</SAP:RunTimeItem>
- <SAP:RunTimeItem>
<SAP:Name type="CORE">INTEGRATION_ENGINE</SAP:Name>
<SAP:Timestamp type="begin" host="lbsth-tb1ci">20071121155130.515</SAP:Timestamp>
</SAP:RunTimeItem>
- <SAP:RunTimeItem>
<SAP:Name type="CORE">INTEGRATION_ENGINE</SAP:Name>
<SAP:Timestamp type="end" host="lbsth-tb1ci">20071121155130.515</SAP:Timestamp>
</SAP:RunTimeItem>
- <SAP:RunTimeItem>
<SAP:Name type="PLSRV">PLSRV_RECEIVER_DETERMINATION</SAP:Name>
<SAP:Timestamp type="begin" host="lbsth-tb1ci">20071121155130.515</SAP:Timestamp>
</SAP:RunTimeItem>
- <SAP:RunTimeItem>
<SAP:Name type="PLSRV">PLSRV_RECEIVER_DETERMINATION</SAP:Name>
<SAP:Timestamp type="end" host="lbsth-tb1ci">20071121155130.515</SAP:Timestamp>
</SAP:RunTimeItem>
- <SAP:RunTimeItem>
<SAP:Name type="PLSRV">PLSRV_INTERFACE_DETERMINATION</SAP:Name>
<SAP:Timestamp type="begin" host="lbsth-tb1ci">20071121155130.515</SAP:Timestamp>
</SAP:RunTimeItem>
- <SAP:RunTimeItem>
<SAP:Name type="PLSRV">PLSRV_INTERFACE_DETERMINATION</SAP:Name>
<SAP:Timestamp type="end" host="lbsth-tb1ci">20071121155130.515</SAP:Timestamp>
</SAP:RunTimeItem>
- <SAP:RunTimeItem>
<SAP:Name type="PLSRV">PLSRV_RECEIVER_MESSAGE_SPLIT</SAP:Name>
<SAP:Timestamp type="begin" host="lbsth-tb1ci">20071121155130.515</SAP:Timestamp>
</SAP:RunTimeItem>
- <SAP:RunTimeItem>
<SAP:Name type="PLSRV">PLSRV_RECEIVER_MESSAGE_SPLIT</SAP:Name>
<SAP:Timestamp type="end" host="lbsth-tb1ci">20071121155130.515</SAP:Timestamp>
</SAP:RunTimeItem>
- <SAP:RunTimeItem>
<SAP:Name type="PLSRV">PLSRV_MAPPING_REQUEST</SAP:Name>
<SAP:Timestamp type="begin" host="lbsth-tb1ci">20071121155130.515</SAP:Timestamp>
</SAP:RunTimeItem>
- <SAP:RunTimeItem>
<SAP:Name type="PLSRV">PLSRV_MAPPING_REQUEST</SAP:Name>
<SAP:Timestamp type="end" host="lbsth-tb1ci">20071121155130.531</SAP:Timestamp>
</SAP:RunTimeItem>
- <SAP:RunTimeItem>
<SAP:Name type="PLSRV">PLSRV_OUTBOUND_BINDING</SAP:Name>
<SAP:Timestamp type="begin" host="lbsth-tb1ci">20071121155130.531</SAP:Timestamp>
</SAP:RunTimeItem>
- <SAP:RunTimeItem>
<SAP:Name type="PLSRV">PLSRV_OUTBOUND_BINDING</SAP:Name>
<SAP:Timestamp type="end" host="lbsth-tb1ci">20071121155130.531</SAP:Timestamp>
</SAP:RunTimeItem>
- <SAP:RunTimeItem>
<SAP:Name type="PLSRV">PLSRV_CALL_ADAPTER</SAP:Name>
<SAP:Timestamp type="begin" host="lbsth-tb1ci">20071121155130.531</SAP:Timestamp>
</SAP:RunTimeItem>
- <SAP:RunTimeItem>
<SAP:Name type="CORE">INTEGRATION_ENGINE</SAP:Name>
<SAP:Timestamp type="end" host="lbsth-tb1ci">20071121155130.656</SAP:Timestamp>
</SAP:RunTimeItem>
</SAP:PerformanceHeader>
- <SAP:Diagnostic xmlns:SAP="http://sap.com/xi/XI/Message/30" xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/" SOAP:mustUnderstand="1">
<SAP:TraceLevel>Information</SAP:TraceLevel>
<SAP:Logging>Off</SAP:Logging>
</SAP:Diagnostic>
- <SAP:Trace xmlns:SAP="http://sap.com/xi/XI/Message/30">
<Trace level="1" type="T">SystemError message generated. Guid: DC98499F7E4274F1A41F0017A4107EE6</Trace>
<Trace level="1" type="T">Error during execution of message : DC98499CA1EABEF1B4DD00110A63BF06</Trace>
<Trace level="1" type="T">ApplicationMessage was (=RefToMsgId): DC98499CA1EABEF1B4DD00110A63BF06</Trace>
<Trace level="1" type="B" name="CL_XMS_MAIN-WRITE_MESSAGE_TO_PERSIST" />
- 
</SAP:Trace>
</SOAP:Header>
- <SOAP:Body>
<SAP:Manifest xmlns:SAP="http://sap.com/xi/XI/Message/30" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:wsu="http://www.docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" wsu:Id="wsuid-manifest-5CABE13F5C59AB7FE10000000A1551F7" />
</SOAP:Body>
</SOAP:Envelope>
Regards,
Kishore

Hi,
In the HTTP Receiver what is the Addressing Type used ? (URL Address or HTTP Destination).
If its URL Addressing Type, check if right Authentication Type is used with valid values and for HTTP Addressing Type check this HTTP Client Create Error, it could be helpful.
Also check if the Target system can be reached from the XI server to validate the configuration parameters.
Regards,
S.Santhosh Kumar

After Mavericks OS upgrade, can no longer make any HTTP requests with the OPTIONS verb

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I suspect that this is related to the Mavericks upgrade I did earlier this week. I only have one mac (my dev machine) with Mavericks. Other macs are Mountain Lion and they don't have this problem.
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If this is Mavericks related, anyone know of a fix or workaround?

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Hi ,
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ACE HTTP Probe with regex
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Hi All,
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P.S Please mark helpful answers

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here's a screenshot of a working SuccessFactors connection...
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according to the doco - When the OAuth authorization server is called, it accepts the trust settings of the destination.
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Chris

Why do you need to enable http communication with Basic authentication with Exchange Admin IP?

The pre-reqs for the Exchange Admin IP say you have to make a few changes on your Exchange server (2010 on prem in my case). I have a few questions about those pre-reqs and I'm not able to find documentation online to help:
Why does http communication with basic authentication for the powershell virtual directory in IIS need to be enabled? In the IP you still specify to connect over an SSL connection. The concern is what is being sent over unencrypted and what impacts are
there to the security of the Exchange server.
What role does the IP connect to (MBX/CAS/HT)? I'm not an Exchange guy so I don't know which roles install the PowerShell virtual directory.
Are there any technet pages or white papers that talk about the MS developed IPs in any more detail than basic config?
I appreciate any help anyone can offer. Thanks!
-Raj

Yeah I find this perplexing as well. I'm guessing it has something to do with Opalis origins perhaps.
Would be good to understand why.

How would I do a http post with a xml file

How would I do a http post with a xml file.
I have a url called https://localhost:8443/wss/WSS and the XML file is sent as part of the HTTP POST body.
How would I send this XML file when posting?

most people just add feedback to the comments they've asked about already, rather than ignoring all the feedback and making a new post with the exact same information:
http://forum.java.sun.com/thread.jspa?threadID=5247331&messageID=10020973#10020973
If you want to add in an XML file to a POST command, you'd add it just like any other file you'd attach to a post request, especially (if you're request is the same as your last post) if you're just doing a jsp page. I'd do it something like this:
<form method=POST ENCTYPE="multipart/form-data" action="https://rcpdm.mnb.gd-ais.com/Windchill/servlet/IE/tasks/DJK/fcsAddContentComplete.xml">
<H3> File Name </H3>
<input type=file name=filename>
<input type=submit value="Do it!">
</form>Then again, this solution has literally nothing to do with java, and you still need to make sure that your servlet knows what to actually do with that information you're sending it.

HTTP loadbalancing with tomcat4

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