java - Concurrency when calling webservice clients -

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i have webapp use webservice clients data displays.

when load not high app work fine.

unfortunately when load bigger servers become overloaded because of following stucked threads...

any idea might cause ?

]", more configured time (stuckthreadmaxtime) of "600" seconds. stack trace:     com.sun.org.apache.xml.internal.resolver.catalog.parsecatalog(catalog.java:660)     com.sun.xml.ws.util.xml.xmlutil.createdefaultcatalogresolver(xmlutil.java:251)     com.sun.xml.ws.client.wsservicedelegate.parsewsdl(wsservicedelegate.java:265)     com.sun.xml.ws.client.wsservicedelegate.<init>(wsservicedelegate.java:228)     weblogic.wsee.jaxws.spi.wlsservicedelegate.<init>(wlsservicedelegate.java:52)     weblogic.wsee.jaxws.spi.wlsprovider$servicedelegate.<init>(wlsprovider.java:371)     weblogic.wsee.jaxws.spi.wlsprovider.createservicedelegate(wlsprovider.java:79)     weblogic.wsee.jaxws.spi.wlsprovider.createservicedelegate(wlsprovider.java:62)     javax.xml.ws.service.<init>(service.java:56)

it looks service client timing out parsing wsdl.

ensure wsdl , dependencies imports being loaded locally , not being fetched on network service host. can provide path local wsdl via constructor takes url; still have inspect wsdl ensure schemas imports referred relative uris.

also ensure reuse service instances making them application scope. since parsing wsdl expensive, want seldom possible. check jax-ws implementation's service threadsafe (i'm not aware of implementation aren't pays check). ports services create vary - in implementations, these threadsafe; in aren't.


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