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Maintenance

JVM thread dump

Returns a full JVM thread dump as structured JSON, including state, priority, stack traces, locked monitors/synchronizers, and deadlock detection. Use hideSystem=true (default) to filter to dotCMS threads only.

get/api/v1/maintenance/_threads

Query parameters

hideSystemboolean

When true (default), only return threads with com.dotmarketing or com.dotcms frames

Response

Thread dump captured

i18nMessagesMapobject
permissionsstring[]

Example response

{
  "entity": {
    "serverId": "01HXX2J3K4M5N6P7Q8R9S0T1U2",
    "serverName": "node-1",
    "timestamp": "Thu Apr 03 10:30:00 UTC 2026",
    "vmInfo": "OpenJDK 64-Bit Server VM 21.0.2+13-58",
    "threadCount": 42,
    "threads": [
      {
        "name": "http-nio-8080-exec-1",
        "id": 142,
        "daemon": true,
        "priority": 5,
        "state": "RUNNABLE",
        "lockInfo": "java.util.concurrent.locks.ReentrantLock$NonfairSync@1a2b3c",
        "lockOwnerName": "http-nio-8080-exec-7",
        "lockOwnerId": 187
      }
    ]
  }
}

Changes