oVirt/ovirt-engine

[4.5.4] Get 500 error in Windows VM snapshot tab.

esysinfo opened this issue · 4 comments

Hello Sir,
I create a Windows VM, and create snapshot for it.
Snapshot tab shows 500 error.

This error only shows in Windows VM, Linux VM is OK.

ui.log:

2022-12-23 18:44:06,970+08 ERROR [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService] (default task-2) [] Permutation name: 797FA8BABEF09436F294DDBFA5C6292D
2022-12-23 18:44:06,971+08 ERROR [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService] (default task-2) [] Uncaught exception: com.google.gwt.core.client.JavaScriptException: (TypeError) : a is null
        at java.math.Conversion.toDecimalScaledString(Conversion.java:175)
        at org.ovirt.engine.ui.webadmin.section.main.view.popup.storage.RegisterEntityInfoPanel$18.$getRawValue(RegisterEntityInfoPanel.java:314)
        at org.ovirt.engine.ui.webadmin.section.main.view.popup.storage.RegisterEntityInfoPanel$18.getRawValue(RegisterEntityInfoPanel.java:314)
        at org.ovirt.engine.ui.common.widget.table.column.AbstractRenderedTextColumn.$getValue(AbstractRenderedTextColumn.java:24)
        at org.ovirt.engine.ui.common.widget.table.column.AbstractRenderedTextColumn.getValue(AbstractRenderedTextColumn.java:24)
        at org.ovirt.engine.ui.common.widget.table.column.AbstractRenderedTextColumn.getValue(AbstractRenderedTextColumn.java:24)
        at com.google.gwt.user.cellview.client.Column.render(Column.java:164)
        at com.google.gwt.user.cellview.client.AbstractCellTableBuilder.$renderCell(AbstractCellTableBuilder.java:188)
        at com.google.gwt.user.cellview.client.DefaultCellTableBuilder.$buildRowImpl(DefaultCellTableBuilder.java:62)
        at com.google.gwt.user.cellview.client.AbstractCellTableBuilder.$buildRow(AbstractCellTableBuilder.java:85)
[root@lab-o454 ovirt-engine]# cat ui.log 
2022-12-23 18:44:06,970+08 ERROR [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService] (default task-2) [] Permutation name: 797FA8BABEF09436F294DDBFA5C6292D
2022-12-23 18:44:06,971+08 ERROR [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService] (default task-2) [] Uncaught exception: com.google.gwt.core.client.JavaScriptException: (TypeError) : a is null
	at java.math.Conversion.toDecimalScaledString(Conversion.java:175)
	at org.ovirt.engine.ui.webadmin.section.main.view.popup.storage.RegisterEntityInfoPanel$18.$getRawValue(RegisterEntityInfoPanel.java:314)
	at org.ovirt.engine.ui.webadmin.section.main.view.popup.storage.RegisterEntityInfoPanel$18.getRawValue(RegisterEntityInfoPanel.java:314)
	at org.ovirt.engine.ui.common.widget.table.column.AbstractRenderedTextColumn.$getValue(AbstractRenderedTextColumn.java:24)
	at org.ovirt.engine.ui.common.widget.table.column.AbstractRenderedTextColumn.getValue(AbstractRenderedTextColumn.java:24)
	at org.ovirt.engine.ui.common.widget.table.column.AbstractRenderedTextColumn.getValue(AbstractRenderedTextColumn.java:24)
	at com.google.gwt.user.cellview.client.Column.render(Column.java:164)
	at com.google.gwt.user.cellview.client.AbstractCellTableBuilder.$renderCell(AbstractCellTableBuilder.java:188)
	at com.google.gwt.user.cellview.client.DefaultCellTableBuilder.$buildRowImpl(DefaultCellTableBuilder.java:62)
	at com.google.gwt.user.cellview.client.AbstractCellTableBuilder.$buildRow(AbstractCellTableBuilder.java:85)
	at com.google.gwt.user.cellview.client.AbstractCellTable.$buildRowValues(AbstractCellTable.java:2350)
	at com.google.gwt.user.cellview.client.AbstractCellTable.replaceAllChildren(AbstractCellTable.java:2149)
	at com.google.gwt.user.cellview.client.AbstractHasData$View.replaceAllChildren(AbstractHasData.java:265)
	at com.google.gwt.user.cellview.client.HasDataPresenter.$resolvePendingState(HasDataPresenter.java:1062)
	at com.google.gwt.user.cellview.client.HasDataPresenter$2.execute(HasDataPresenter.java:981)
	at com.google.gwt.core.client.impl.SchedulerImpl.runScheduledTasks(SchedulerImpl.java:167)
	at com.google.gwt.core.client.impl.SchedulerImpl.$flushFinallyCommands(SchedulerImpl.java:272)
	at com.google.gwt.core.client.impl.Impl.exit(Impl.java:383)
	at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:345)
	at Unknown.My/<(https://lab-o454.esys.tw/ovirt-engine/webadmin/?locale=en_US line 9 > injectedScript)
	at Unknown.anonymous(Unknown)

2022-12-23 18:44:07,255+08 ERROR [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService] (default task-2) [] Permutation name: 797FA8BABEF09436F294DDBFA5C6292D
2022-12-23 18:44:07,255+08 ERROR [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService] (default task-2) [] Uncaught exception: com.google.gwt.core.client.JavaScriptException: (TypeError) : a is null
	at java.math.Conversion.toDecimalScaledString(Conversion.java:175)
	at org.ovirt.engine.ui.webadmin.section.main.view.popup.storage.RegisterEntityInfoPanel$18.$getRawValue(RegisterEntityInfoPanel.java:314)
	at org.ovirt.engine.ui.webadmin.section.main.view.popup.storage.RegisterEntityInfoPanel$18.getRawValue(RegisterEntityInfoPanel.java:314)
	at org.ovirt.engine.ui.common.widget.table.column.AbstractRenderedTextColumn.$getValue(AbstractRenderedTextColumn.java:24)
	at org.ovirt.engine.ui.common.widget.table.column.AbstractRenderedTextColumn.getValue(AbstractRenderedTextColumn.java:24)
	at org.ovirt.engine.ui.common.widget.table.column.AbstractRenderedTextColumn.getValue(AbstractRenderedTextColumn.java:24)
	at com.google.gwt.user.cellview.client.Column.render(Column.java:164)
	at com.google.gwt.user.cellview.client.AbstractCellTableBuilder.$renderCell(AbstractCellTableBuilder.java:188)
	at com.google.gwt.user.cellview.client.DefaultCellTableBuilder.$buildRowImpl(DefaultCellTableBuilder.java:62)
	at com.google.gwt.user.cellview.client.AbstractCellTableBuilder.$buildRow(AbstractCellTableBuilder.java:85)
	at com.google.gwt.user.cellview.client.AbstractCellTable.$buildRowValues(AbstractCellTable.java:2350)
	at com.google.gwt.user.cellview.client.AbstractCellTable.replaceAllChildren(AbstractCellTable.java:2149)
	at com.google.gwt.user.cellview.client.AbstractHasData$View.replaceAllChildren(AbstractHasData.java:265)
	at com.google.gwt.user.cellview.client.HasDataPresenter.$resolvePendingState(HasDataPresenter.java:1062)
	at com.google.gwt.user.cellview.client.HasDataPresenter$2.execute(HasDataPresenter.java:981)
	at com.google.gwt.core.client.impl.SchedulerImpl.runScheduledTasks(SchedulerImpl.java:167)
	at com.google.gwt.core.client.impl.SchedulerImpl.$flushFinallyCommands(SchedulerImpl.java:272)
	at com.google.gwt.core.client.impl.Impl.exit(Impl.java:383)
	at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:345)
	at Unknown.My/<(https://lab-o454.esys.tw/ovirt-engine/webadmin/?locale=en_US line 9 > injectedScript)
	at Unknown.d(https://lab-o454.esys.tw/ovirt-engine/webadmin/?locale=en_US line 9 > injectedScript)
	at Unknown.anonymous(Unknown)

2022-12-23 18:44:50,139+08 ERROR [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService] (default task-2) [] Permutation name: 797FA8BABEF09436F294DDBFA5C6292D
2022-12-23 18:44:50,139+08 ERROR [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService] (default task-2) [] Uncaught exception: com.google.gwt.core.client.JavaScriptException: (TypeError) : a is null
	at java.math.Conversion.toDecimalScaledString(Conversion.java:175)
	at org.ovirt.engine.ui.webadmin.section.main.view.popup.storage.RegisterEntityInfoPanel$18.$getRawValue(RegisterEntityInfoPanel.java:314)
	at org.ovirt.engine.ui.webadmin.section.main.view.popup.storage.RegisterEntityInfoPanel$18.getRawValue(RegisterEntityInfoPanel.java:314)
	at org.ovirt.engine.ui.common.widget.table.column.AbstractRenderedTextColumn.$getValue(AbstractRenderedTextColumn.java:24)
	at org.ovirt.engine.ui.common.widget.table.column.AbstractRenderedTextColumn.getValue(AbstractRenderedTextColumn.java:24)
	at org.ovirt.engine.ui.common.widget.table.column.AbstractRenderedTextColumn.getValue(AbstractRenderedTextColumn.java:24)
	at com.google.gwt.user.cellview.client.Column.render(Column.java:164)
	at com.google.gwt.user.cellview.client.AbstractCellTableBuilder.$renderCell(AbstractCellTableBuilder.java:188)
	at com.google.gwt.user.cellview.client.DefaultCellTableBuilder.$buildRowImpl(DefaultCellTableBuilder.java:62)
	at com.google.gwt.user.cellview.client.AbstractCellTableBuilder.$buildRow(AbstractCellTableBuilder.java:85)
	at com.google.gwt.user.cellview.client.AbstractCellTable.$buildRowValues(AbstractCellTable.java:2350)
	at com.google.gwt.user.cellview.client.AbstractCellTable.replaceAllChildren(AbstractCellTable.java:2149)
	at com.google.gwt.user.cellview.client.AbstractHasData$View.replaceAllChildren(AbstractHasData.java:265)
	at com.google.gwt.user.cellview.client.HasDataPresenter.$resolvePendingState(HasDataPresenter.java:1062)
	at com.google.gwt.user.cellview.client.HasDataPresenter$2.execute(HasDataPresenter.java:981)
	at com.google.gwt.core.client.impl.SchedulerImpl.runScheduledTasks(SchedulerImpl.java:167)
	at com.google.gwt.core.client.impl.SchedulerImpl.$flushFinallyCommands(SchedulerImpl.java:272)
	at com.google.gwt.core.client.impl.Impl.exit(Impl.java:383)
	at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:345)
	at Unknown.My/<(https://lab-o454.esys.tw/ovirt-engine/webadmin/?locale=en_US line 9 > injectedScript)
	at Unknown.anonymous(Unknown)

2022-12-23 18:44:50,529+08 ERROR [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService] (default task-2) [] Permutation name: 797FA8BABEF09436F294DDBFA5C6292D
2022-12-23 18:44:50,529+08 ERROR [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService] (default task-2) [] Uncaught exception: com.google.gwt.core.client.JavaScriptException: (TypeError) : a is null
	at java.math.Conversion.toDecimalScaledString(Conversion.java:175)
	at org.ovirt.engine.ui.webadmin.section.main.view.popup.storage.RegisterEntityInfoPanel$18.$getRawValue(RegisterEntityInfoPanel.java:314)
	at org.ovirt.engine.ui.webadmin.section.main.view.popup.storage.RegisterEntityInfoPanel$18.getRawValue(RegisterEntityInfoPanel.java:314)
	at org.ovirt.engine.ui.common.widget.table.column.AbstractRenderedTextColumn.$getValue(AbstractRenderedTextColumn.java:24)
	at org.ovirt.engine.ui.common.widget.table.column.AbstractRenderedTextColumn.getValue(AbstractRenderedTextColumn.java:24)
	at org.ovirt.engine.ui.common.widget.table.column.AbstractRenderedTextColumn.getValue(AbstractRenderedTextColumn.java:24)
	at com.google.gwt.user.cellview.client.Column.render(Column.java:164)
	at com.google.gwt.user.cellview.client.AbstractCellTableBuilder.$renderCell(AbstractCellTableBuilder.java:188)
	at com.google.gwt.user.cellview.client.DefaultCellTableBuilder.$buildRowImpl(DefaultCellTableBuilder.java:62)
	at com.google.gwt.user.cellview.client.AbstractCellTableBuilder.$buildRow(AbstractCellTableBuilder.java:85)
	at com.google.gwt.user.cellview.client.AbstractCellTable.$buildRowValues(AbstractCellTable.java:2350)
	at com.google.gwt.user.cellview.client.AbstractCellTable.replaceAllChildren(AbstractCellTable.java:2149)
	at com.google.gwt.user.cellview.client.AbstractHasData$View.replaceAllChildren(AbstractHasData.java:265)
	at com.google.gwt.user.cellview.client.HasDataPresenter.$resolvePendingState(HasDataPresenter.java:1062)
	at com.google.gwt.user.cellview.client.HasDataPresenter$2.execute(HasDataPresenter.java:981)
	at com.google.gwt.core.client.impl.SchedulerImpl.runScheduledTasks(SchedulerImpl.java:167)
	at com.google.gwt.core.client.impl.SchedulerImpl.$flushFinallyCommands(SchedulerImpl.java:272)
	at com.google.gwt.core.client.impl.Impl.exit(Impl.java:383)
	at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:345)
	at Unknown.My/<(https://lab-o454.esys.tw/ovirt-engine/webadmin/?locale=en_US line 9 > injectedScript)
	at Unknown.d(https://lab-o454.esys.tw/ovirt-engine/webadmin/?locale=en_US line 9 > injectedScript)
	at Unknown.anonymous(Unknown)

截圖 2022-12-23 上午11 05 17

Can you please provide details on the versions being used on engine and node side?

Hello sir,
Both server and node are 4.5.4.

Thank you very much.

Steven

rtheys commented

Hi,

I'm seeing the same type of errors. For me, it also happens on linux VM's. As long as the VM has no snapshots, the "snapshots" tab will work. Once a single snapshot exists for a VM, the tab will open and show the snapshots, but after a few seconds, the 500 errors start to appear.

The following message is logged in the server log:

2023-05-08 11:20:27,379+02 ERROR [io.undertow.servlet] (default task-3006) Exception while dispatching incoming RPC call: com.google.gwt.user.client.rpc.SerializationException: Can't find the serialization policy file. This probably means that the user has an old version of the application loaded in the browser. To solve the issue the user needs to close the browser and open it again, so that the application is reloaded.
        at deployment.engine.ear.webadmin.war//org.ovirt.engine.ui.frontend.server.gwt.GenericApiGWTServiceImpl.doUnexpectedFailure(GenericApiGWTServiceImpl.java:200)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:67)
        at javax.servlet.api@2.0.0.Final//javax.servlet.http.HttpServlet.service(HttpServlet.java:523)
        at deployment.engine.ear.webadmin.war//org.ovirt.engine.ui.frontend.server.gwt.GenericApiGWTServiceImpl.service(GenericApiGWTServiceImpl.java:78)
        at javax.servlet.api@2.0.0.Final//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:74)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129)
        at org.ovirt.engine.core.utils//org.ovirt.engine.core.utils.servlet.HeaderFilter.doFilter(HeaderFilter.java:94)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
        at org.ovirt.engine.core.utils//org.ovirt.engine.core.utils.servlet.CachingFilter.doFilter(CachingFilter.java:133)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
        at deployment.engine.ear.webadmin.war//org.ovirt.engine.core.branding.BrandingFilter.doFilter(BrandingFilter.java:73)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
        at org.ovirt.engine.core.utils//org.ovirt.engine.core.utils.servlet.LocaleFilter.doFilter(LocaleFilter.java:65)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.handlers.ServletChain$1.handleRequest(ServletChain.java:68)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
        at org.wildfly.extension.undertow@24.0.1.Final//org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
        at io.undertow.core@2.2.8.Final//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.handlers.RedirectDirHandler.handleRequest(RedirectDirHandler.java:68)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:117)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
        at io.undertow.core@2.2.8.Final//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
        at io.undertow.core@2.2.8.Final//io.undertow.security.handlers.AuthenticationConstraintHandler.handleRequest(AuthenticationConstraintHandler.java:53)
        at io.undertow.core@2.2.8.Final//io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.handlers.security.ServletSecurityConstraintHandler.handleRequest(ServletSecurityConstraintHandler.java:59)
        at io.undertow.core@2.2.8.Final//io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)
        at io.undertow.core@2.2.8.Final//io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
        at io.undertow.core@2.2.8.Final//io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
        at io.undertow.core@2.2.8.Final//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
        at org.wildfly.extension.undertow@24.0.1.Final//org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
        at io.undertow.core@2.2.8.Final//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.handlers.SendErrorPageHandler.handleRequest(SendErrorPageHandler.java:52)
        at io.undertow.core@2.2.8.Final//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:269)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:78)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:133)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:130)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
        at org.wildfly.extension.undertow@24.0.1.Final//org.wildfly.extension.undertow.security.SecurityContextThreadSetupAction.lambda$create$0(SecurityContextThreadSetupAction.java:105)
        at org.wildfly.extension.undertow@24.0.1.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1535)
        at org.wildfly.extension.undertow@24.0.1.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1535)
        at org.wildfly.extension.undertow@24.0.1.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1535)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:249)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:78)
        at io.undertow.servlet@2.2.8.Final//io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:99)
        at io.undertow.core@2.2.8.Final//io.undertow.server.Connectors.executeRootHandler(Connectors.java:387)
        at io.undertow.core@2.2.8.Final//io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:841)
        at org.jboss.threads@2.4.0.Final//org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
        at org.jboss.threads@2.4.0.Final//org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1990)
        at org.jboss.threads@2.4.0.Final//org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
        at org.jboss.threads@2.4.0.Final//org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377)
        at org.jboss.xnio@3.8.4.Final//org.xnio.XnioWorker$WorkerThreadFactory$1$1.run(XnioWorker.java:1280)
        at java.base/java.lang.Thread.run(Thread.java:829)
Caused by: com.google.gwt.user.client.rpc.SerializationException: java.lang.reflect.InvocationTargetException
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeWithCustomSerializer(ServerSerializationStreamWriter.java:856)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeImpl(ServerSerializationStreamWriter.java:815)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serialize(ServerSerializationStreamWriter.java:698)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.client.rpc.impl.AbstractSerializationStreamWriter.writeObject(AbstractSerializationStreamWriter.java:130)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.client.rpc.core.java.util.Collection_CustomFieldSerializerBase.serialize(Collection_CustomFieldSerializerBase.java:44)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.client.rpc.core.java.util.ArrayList_CustomFieldSerializer.serialize(ArrayList_CustomFieldSerializer.java:39)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.client.rpc.core.java.util.ArrayList_CustomFieldSerializer.serializeInstance(ArrayList_CustomFieldSerializer.java:51)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.client.rpc.core.java.util.ArrayList_CustomFieldSerializer.serializeInstance(ArrayList_CustomFieldSerializer.java:28)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeImpl(ServerSerializationStreamWriter.java:818)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serialize(ServerSerializationStreamWriter.java:698)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.client.rpc.impl.AbstractSerializationStreamWriter.writeObject(AbstractSerializationStreamWriter.java:130)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter$ValueWriter$8.write(ServerSerializationStreamWriter.java:167)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeValue(ServerSerializationStreamWriter.java:606)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.server.rpc.RPC.encodeResponse(RPC.java:644)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.server.rpc.RPC.encodeResponseForSuccess(RPC.java:497)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:589)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:333)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:303)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:373)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62)
        ... 61 more
Caused by: java.lang.reflect.InvocationTargetException
        at jdk.internal.reflect.GeneratedMethodAccessor1151.invoke(Unknown Source)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeWithCustomSerializer(ServerSerializationStreamWriter.java:838)
        ... 80 more
Caused by: com.google.gwt.user.client.rpc.SerializationException: Type 'org.ovirt.engine.core.common.utils.SecretValue' was not included in the set of types which can be serialized by this SerializationPolicy or its Class object could not be loaded. For security purposes, this type will not be serialized.: instance = ***
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serialize(ServerSerializationStreamWriter.java:696)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.client.rpc.impl.AbstractSerializationStreamWriter.writeObject(AbstractSerializationStreamWriter.java:130)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.client.rpc.core.java.util.Map_CustomFieldSerializerBase.serialize(Map_CustomFieldSerializerBase.java:53)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.client.rpc.core.java.util.EnumMap_CustomFieldSerializer.serialize(EnumMap_CustomFieldSerializer.java:77)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.client.rpc.core.java.util.EnumMap_CustomFieldSerializer.serializeInstance(EnumMap_CustomFieldSerializer.java:100)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.client.rpc.core.java.util.EnumMap_CustomFieldSerializer.serializeInstance(EnumMap_CustomFieldSerializer.java:31)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeImpl(ServerSerializationStreamWriter.java:818)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serialize(ServerSerializationStreamWriter.java:698)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.client.rpc.impl.AbstractSerializationStreamWriter.writeObject(AbstractSerializationStreamWriter.java:130)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter$ValueWriter$8.write(ServerSerializationStreamWriter.java:167)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeValue(ServerSerializationStreamWriter.java:606)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeClass(ServerSerializationStreamWriter.java:787)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeImpl(ServerSerializationStreamWriter.java:826)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serialize(ServerSerializationStreamWriter.java:698)
        at deployment.engine.ear.webadmin.war//com.google.gwt.user.client.rpc.impl.AbstractSerializationStreamWriter.writeObject(AbstractSerializationStreamWriter.java:130)
        at deployment.engine.ear.webadmin.war//org.ovirt.engine.ui.extension.ObjectSerializer.serialize(ObjectSerializer.java:104)
        at deployment.engine.ear.webadmin.war//org.ovirt.engine.core.common.queries.QueryReturnValue_CustomFieldSerializer.serialize(QueryReturnValue_CustomFieldSerializer.java:27)
        ... 84 more

Reloading the browser has no effect. I've tried it on firefox, firefox with a private tab and chromium. They all have the same issue.

Looking at the web developer tools, I see the following errors:

webadmin-0.js:21028 Mon May 08 11:11:52 GMT+200 2023 org.ovirt.engine.ui.common.uicommon.ContextSensitiveHelpManager
INFO: No context-sensitive help was found on the server. It will not be available for this session.
/ovirt-engine/webadmin/GenericApiGWTService:1          Failed to load resource: the server responded with a status of 500 (Internal Server Error)
/ovirt-engine/webadmin/GenericApiGWTService:1          Failed to load resource: the server responded with a status of 500 (Internal Server Error)
/ovirt-engine/webadmin/GenericApiGWTService:1          Failed to load resource: the server responded with a status of 500 (Internal Server Error)
/ovirt-engine/webadmin/GenericApiGWTService:1          Failed to load resource: the server responded with a status of 500 (Internal Server Error)
webadmin-0.js:21028 Mon May 08 11:12:03 GMT+200 2023 org.ovirt.engine.ui.frontend.Frontend
SEVERE: Failed to execute runQuery: com.google.gwt.user.client.rpc.StatusCodeException: 500 Internal Server Error The call failed on the server; see server log for details
com.google.gwt.user.client.rpc.StatusCodeException: 500 Internal Server Error The call failed on the server; see server log for details
        at Unknown.Ow(webadmin-0.js)
        at Unknown.bx(webadmin-0.js)
        at Unknown.Fjf(webadmin-0.js)
        at Unknown.new kkf(webadmin-0.js)
        at Unknown.Lqf(webadmin-0.js)
        at Unknown.C8(webadmin-0.js)
        at Unknown.R8(webadmin-0.js)
        at Unknown.eval(webadmin-0.js)
        at Unknown.Ly(webadmin-0.js)
        at Unknown.Oy(webadmin-0.js)
        at Unknown.eval(webadmin-0.js)

t3e @ webadmin-0.js:21028
webadmin-0.js:21028 Mon May 08 11:12:03 GMT+200 2023 org.ovirt.engine.ui.frontend.Frontend
SEVERE: Failed to execute runQuery: com.google.gwt.user.client.rpc.StatusCodeException: 500 Internal Server Error The call failed on the server; see server log for details
com.google.gwt.user.client.rpc.StatusCodeException: 500 Internal Server Error The call failed on the server; see server log for details
        at Unknown.Ow(webadmin-0.js)
        at Unknown.bx(webadmin-0.js)
        at Unknown.Fjf(webadmin-0.js)
        at Unknown.new kkf(webadmin-0.js)
        at Unknown.Lqf(webadmin-0.js)
        at Unknown.C8(webadmin-0.js)
        at Unknown.R8(webadmin-0.js)
        at Unknown.eval(webadmin-0.js)
        at Unknown.Ly(webadmin-0.js)
        at Unknown.Oy(webadmin-0.js)
        at Unknown.eval(webadmin-0.js)

Same Issue: #900