Issue

• Jenkins UI is slow to render or times-out (hangs) completely
• You see slow requests and/or threads waiting with the following stacktraces:

[...]
    hudson.security.ACL.hasPermission(ACL.java:75)
    hudson.model.AbstractItem.hasPermission(AbstractItem.java:512)
    hudson.model.Items.getAllItems(Items.java:378)
    hudson.model.Items.getAllItems(Items.java:383)
    hudson.model.Items.getAllItems(Items.java:383)
    hudson.model.Items.getAllItems(Items.java:383)
    hudson.model.Items.getAllItems(Items.java:383)
    hudson.model.Items.getAllItems(Items.java:383)
    hudson.model.Items.getAllItems(Items.java:383)
    hudson.model.Items.getAllItems(Items.java:359)
    jenkins.model.Jenkins.getAllItems(Jenkins.java:1753)
    com.cloudbees.jenkins.plugins.securecopy.ExportsRootAction.getIconFileName(ExportsRootAction.java:52)
    [...]

Environment

• CloudBees Jenkins Platform client master or standalone master
• CloudBees Secure Copy Plugin

Related Issues

CJP-4175

Resolution

Remove or disable the CloudBees Secure Copy plugin. If you are using it, consider replacing it with Cluster-wide copy artifacts.