Huge number of files are generated under "SolrServer\solr\server\tmp" during bulk indexing in Windchill PDMLink

• For example, SolrServer\solr\server\tmp\jetty-0_0_0_0-8085-webapp-_solr-any-13479513245792064398\MultiPart579555823755820076

java.io.IOException: Could Not Delete File

ERROR StatusConsoleListener Unable to copy file <SolrServer>\solr\server\logs\solr.log.1 to <SolrServer>\solr\server\logs\solr.log.0: java.nio.file.AccessDeniedException <SolrServer>\solr\server\logs\solr.log.1 -> <SolrServer>\solr\server\logs\solr.log.0<br />
2025-07-07 07:42:13.704 ERROR (qtp768185844-1107-<solr-url>-174906) [c: s: r: x:wblib t:<solr-url>-174906] o.a.s.s.HttpSolrCall 500 Exception => org.apache.solr.common.SolrException: this IndexWriter is closed<br /> at org.apache.solr.common.SolrException.wrapLuceneTragicExceptionIfNecessary(SolrException.java:218)<br />org.apache.solr.common.SolrException: this IndexWriter is closed<br /> at org.apache.solr.common.SolrException.wrapLuceneTragicExceptionIfNecessary(SolrException.java:218) ~[?:?]<br /> at org.apache.solr.handler.RequestHandlerBase.normalizeReceivedException(RequestHandlerBase.java:267) ~[?:?]<br /> at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:233) ~[?:?]<br />

WARN  (qtp38603201-751) [c: s: r: x: t:<host.domain.com>-79593] o.a.s.s.SolrRequestParsers Errors deleting multipart tmp files => java.io.IOException: Could Not Delete File
                    at org.eclipse.jetty.server.MultiPartFormInputStream$MultiPart.delete(MultiPartFormInputStream.java:331)
java.io.IOException: Could Not Delete File
                    at org.eclipse.jetty.server.MultiPartFormInputStream$MultiPart.delete(MultiPartFormInputStream.java:331) ~[jetty-server-10.0.20.jar:10.0.20]
                    at org.apache.solr.servlet.SolrRequestParsers.cleanupMultipartFiles(SolrRequestParsers.java:692) ~[solr-core-9.6.1.jar:9.6.1 d7f7166567f52f1b31e3315b0188e11f2c4c9b60 -
                    at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:227) ~[solr-core-9.6.1.jar:9.6.1 d7f7166567f52f1b31e3315b0188e11f2c4c9b60 
                    at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:195) ~[solr-core-9.6.1.jar:9.6.1 d7f7166567f52f1b31e3315b0188e11f2c4c9b60 - houston 
                    at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:210) ~[jetty-servlet-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635) ~[jetty-servlet-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527) ~[jetty-servlet-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131) ~[jetty-server-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:598) ~[jetty-security-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122) ~[jetty-server-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223) ~[jetty-server-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580) ~[jetty-server-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221) ~[jetty-server-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384) ~[jetty-server-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176) ~[jetty-server-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484) ~[jetty-servlet-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553) ~[jetty-server-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174) ~[jetty-server-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306) ~[jetty-server-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129) ~[jetty-server-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:149) ~[jetty-server-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.server.handler.InetAccessHandler.handle(InetAccessHandler.java:228) ~[jetty-server-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:141) ~[jetty-server-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122) ~[jetty-server-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301) ~[jetty-rewrite-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122) ~[jetty-server-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822) ~[jetty-server-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122) ~[jetty-server-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.server.Server.handle(Server.java:563) ~[jetty-server-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598) ~[jetty-server-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753) ~[jetty-server-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501) ~[jetty-server-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:461) ~[jetty-server-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:421) ~[jetty-util.jar:10.0.20]
                    at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:390) ~[jetty-util.jar:10.0.20]
                    at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:277) ~[jetty-util.jar:10.0.20]
                    at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.produce(AdaptiveExecutionStrategy.java:193) ~[jetty-util.jar:10.0.20]
                    at org.eclipse.jetty.http2.HTTP2Connection.produce(HTTP2Connection.java:208) ~[http2-common-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.http2.HTTP2Connection.onFillable(HTTP2Connection.java:155) ~[http2-common-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.http2.HTTP2Connection$FillableCallback.succeeded(HTTP2Connection.java:450) ~[http2-common-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100) ~[jetty-io-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.onFillable(SslConnection.java:558) ~[jetty-io-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:379) ~[jetty-io-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.io.ssl.SslConnection$2.succeeded(SslConnection.java:146) ~[jetty-io-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100) ~[jetty-io-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53) ~[jetty-io-10.0.20.jar:10.0.20]
                    at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:421) ~[jetty-util.jar:10.0.20]
                    at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:390) ~[jetty-util.jar:10.0.20]
                    at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:277) ~[jetty-util.jar:10.0.20]
                    at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.run(AdaptiveExecutionStrategy.java:199) ~[jetty-util.jar:10.0.20]
                    at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:411) ~[jetty-util.jar:10.0.20]
                    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969) ~[jetty-util.jar:10.0.20]
                    at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194) ~[jetty-util.jar:10.0.20]
                    at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149) ~[jetty-util.jar:10.0.20]
                    at java.base/java.lang.Thread.run(Thread.java:840) [?:?]