Internal Server Error

jakarta.xml.ws.WebServiceException: Could not send Message.
	at org.apache.cxf.jaxws.JaxWsClientProxy.mapException(JaxWsClientProxy.java:183)
	at org.apache.cxf.jaxws.JaxWsClientProxy.invoke(JaxWsClientProxy.java:145)
	at jdk.proxy3/jdk.proxy3.$Proxy92.read(Unknown Source)
	at info.textgrid.services.aggregator.util.TextGridRepProvider.read(TextGridRepProvider.java:109)
	at info.textgrid.services.aggregator.AbstractExporter.getContentSimple(AbstractExporter.java:253)
	at info.textgrid.services.aggregator.AbstractExporter.getRootObjects(AbstractExporter.java:202)
	at info.textgrid.services.aggregator.AbstractExporter.getLastModified(AbstractExporter.java:281)
	at info.textgrid.services.aggregator.AbstractExporter.doEvaluatePreconditions(AbstractExporter.java:326)
	at info.textgrid.services.aggregator.html.HTMLWriter.doEvaluatePreconditions(HTMLWriter.java:316)
	at info.textgrid.services.aggregator.AbstractExporter.evaluatePreconditions(AbstractExporter.java:309)
	at info.textgrid.services.aggregator.AbstractExporter.isNotModified(AbstractExporter.java:347)
	at info.textgrid.services.aggregator.html.HTMLWriter.createResponse(HTMLWriter.java:321)
	at info.textgrid.services.aggregator.REST.getHTML(REST.java:152)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179)
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96)
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:217)
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:105)
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59)
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96)
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:307)
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:267)
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:233)
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:207)
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:159)
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:224)
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:312)
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doGet(AbstractHTTPServlet.java:222)
	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:564)
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:197)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:142)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:57)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:166)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:142)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:165)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:88)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:535)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:115)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:86)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:71)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:348)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:71)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:1307)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:2032)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:74)
	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:976)
	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:494)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:80)
	at java.base/java.lang.Thread.run(Thread.java:1583)
Caused by: java.io.IOException: too many concurrent streams
	at java.net.http/jdk.internal.net.http.Http2Connection.reserveStream0(Http2Connection.java:618)
	at java.net.http/jdk.internal.net.http.Http2Connection.reserveStream(Http2Connection.java:585)
	at java.net.http/jdk.internal.net.http.Http2ClientImpl.getConnectionFor(Http2ClientImpl.java:111)
	at java.net.http/jdk.internal.net.http.ExchangeImpl.get(ExchangeImpl.java:98)
	at java.net.http/jdk.internal.net.http.Exchange.establishExchange(Exchange.java:391)
	at java.net.http/jdk.internal.net.http.Exchange.responseAsyncImpl0(Exchange.java:584)
	at java.net.http/jdk.internal.net.http.Exchange.responseAsyncImpl(Exchange.java:428)
	at java.net.http/jdk.internal.net.http.Exchange.responseAsync(Exchange.java:420)
	at java.net.http/jdk.internal.net.http.MultiExchange.responseAsyncImpl(MultiExchange.java:435)
	at java.net.http/jdk.internal.net.http.MultiExchange.lambda$responseAsync0$2(MultiExchange.java:355)
	at java.base/java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1150)
	at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:510)
	at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1773)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
	... 1 more