Last active
November 4, 2025 11:40
-
-
Save CorneAussems/b4331104cb93fd681c6e5afcbb0475fc to your computer and use it in GitHub Desktop.
Liferay 7.4 check multiVM Cache working
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| # from https://liferay.dev/b/how-to-diagnose-and-recover-liferay-cluster | |
| import com.liferay.portal.kernel.cache.MultiVMPool; | |
| import org.osgi.framework.BundleContext; | |
| import org.osgi.framework.ServiceReference; | |
| import com.liferay.portal.kernel.module.util.SystemBundleUtil; | |
| import com.liferay.portal.kernel.cache.PortalCache; | |
| import com.liferay.portal.kernel.util.PortalUtil; | |
| import com.liferay.portal.kernel.cluster.ClusterExecutorUtil; | |
| import com.liferay.portal.kernel.cluster.ClusterMasterExecutorUtil; | |
| private MultiVMPool getMultiVMPool() { | |
| // Registry registry = RegistryUtil.getRegistry(); | |
| //ServiceReference serviceReference = registry.getServiceReference(MultiVMPool.class); | |
| BundleContext bundleContext = SystemBundleUtil.getBundleContext(); | |
| ServiceReference serviceReference = bundleContext.getServiceReference(MultiVMPool.class.name) | |
| return bundleContext.getService(serviceReference) | |
| } | |
| try { | |
| // Get local cluster node information | |
| String localClusterNode = ClusterExecutorUtil.getLocalClusterNode(); | |
| boolean isMaster = ClusterMasterExecutorUtil.isMaster(); | |
| // Check if clustering information is available | |
| if (localClusterNode != null) { | |
| println("=== Execution in: " + localClusterNode); | |
| } else { | |
| println("=== Clustering information is not available."); | |
| } | |
| println("=== isMaster: " + isMaster); | |
| MultiVMPool multiVMPool = getMultiVMPool(); | |
| if (multiVMPool != null) { | |
| now = new Date() | |
| println(now) | |
| PortalCache<String, String> portalCache1 = multiVMPool.getPortalCache("CACHE-TEST-1"); | |
| println("=== Value for testKey before (SHOULD BE INVALIDATED AND NULL): " + portalCache1.get("testKey")); | |
| portalCache1.put("testKey", "testValue:"+now); | |
| println("=== Value for testKey after: " + portalCache1.get("testKey")); | |
| } else { | |
| println("MultiVMPool service is not available."); | |
| } | |
| } catch (Exception e) { | |
| println(e) | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment