CF 2021 Solr Error

Hello,

we can't add collections in CF 2021 Update 2. It was working until we made the update. Now we reveice this message: 

org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException

Any ideas what the problem could be?

92006454 [qtp1318180415-125] INFO org.apache.solr.handler.admin.CoreAdminOperation - core create command template=/opt/ColdFusion2021/cfusion/jetty/multicore/template&name=test&action=CREATE&instanceDir=/opt/ColdFusion2021/cfusion/jetty/multicore/collections/test&wt=xml&version=2.2
92006460 [qtp1318180415-125] ERROR org.apache.solr.core.CorePropertiesLocator - Couldn't persist core properties to /opt/ColdFusion2021/cfusion/jetty/multicore/collections/test/core.properties: /opt/ColdFusion2021/cfusion/jetty/multicore/collections/test
92006463 [qtp1318180415-125] ERROR org.apache.solr.handler.RequestHandlerBase - org.apache.solr.common.SolrException: Error CREATEing SolrCore 'test': Couldn't persist core properties to /opt/ColdFusion2021/cfusion/jetty/multicore/collections/test/core.properties : /opt/ColdFusion2021/cfusion/jetty/multicore/collections/test
at org.apache.solr.core.CoreContainer.create(CoreContainer.java:987)
at org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:98)
at org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:403)
at org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:440)
at org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:181)
at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:177)
at org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:735)
at org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:716)
at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:497)
at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:382)
at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:326)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1630)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:567)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1610)
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1377)
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:507)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1580)
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1292)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:234)
at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
at org.eclipse.jetty.server.Server.handle(Server.java:501)
at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)
at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:556)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)
at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:273)
at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129)
at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:375)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:806)
at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:938)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: org.apache.solr.common.SolrException: Couldn't persist core properties to /opt/ColdFusion2021/cfusion/jetty/multicore/collections/test/core.properties : /opt/ColdFusion2021/cfusion/jetty/multicore/collections/test
at org.apache.solr.core.CorePropertiesLocator.writePropertiesFile(CorePropertiesLocator.java:97)
at org.apache.solr.core.CorePropertiesLocator.create(CorePropertiesLocator.java:70)
at org.apache.solr.core.CoreContainer.create(CoreContainer.java:943)
... 44 more

92006463 [qtp1318180415-125] INFO org.apache.solr.servlet.HttpSolrCall - [admin] webapp=null path=/admin/cores params={template=/opt/ColdFusion2021/cfusion/jetty/multicore/template&name=test&action=CREATE&instanceDir=/opt/ColdFusion2021/cfusion/jetty/multicore/collections/test&wt=xml&version=2.2} status=400 QTime=9
92006476 [qtp1318180415-130] INFO org.apache.solr.servlet.HttpSolrCall - [admin] webapp=null path=/admin/cores params={action=STATUS&indexInfo=true&wt=xml&version=2.2} status=0 QTime=0