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Published Jul. 2, 2025

Getting "Unresolved requirement osgi.extender=liferay.frontend.js.portlet" when deploying a JavaScript Widget on Liferay DXP 7.1

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Issue

  • Developers create a JavaScript widget as per Creating and Bundling JavaScript Widgets with JavaScript Tooling 
  • The below error will be printed upon deployment: 
    INFO [com.liferay.portal.kernel.deploy.auto.AutoDeployScanner][AutoDeployDir:259] Processing my-project-1.0.0.jar
    ERROR [Framework Event Dispatcher: Equinox Container: 322f7d10-7b23-403f-95e8-ac8e86ebba89][Framework:93] FrameworkEvent ERROR 
    java.lang.RuntimeException: org.osgi.framework.InvalidSyntaxException: Filter ended abruptly: (&(osgi.extender
    at org.apache.aries.spifly.ConsumerBundleTrackerCustomizer.addingBundle(ConsumerBundleTrackerCustomizer.java:39)
    [...]
    Caused by: org.osgi.framework.InvalidSyntaxException: Filter ended abruptly: (&(osgi.extender
    at org.eclipse.osgi.internal.framework.FilterImpl$Parser.parse(FilterImpl.java:1486)
    [...]
    Caused by: java.lang.ArrayIndexOutOfBoundsException: Index 16 out of bounds for length 16
    at org.eclipse.osgi.internal.framework.FilterImpl$Parser.parse_attr(FilterImpl.java:1660)
    [...]
    ERROR [fileinstall-/home/liferay-dxp-7.1.10-ga1/osgi/modules][LogService:93] Error while starting bundle: file:/home/alfonso/Desktop/local_bundles/AHTIVNK-32373/liferay-dxp-7.1.10-ga1/osgi/modules/my-project-1.0.0.jar 
    org.osgi.framework.BundleException: Could not resolve module: my-project [994]_ Unresolved requirement: Require-Capability: osgi.extender; filter:="(&(osgi.extender=liferay.frontend.js.portlet)(version>=1.1.0))"_ [Sanitized]
    at org.eclipse.osgi.container.Module.start(Module.java:444)
    at org.eclipse.osgi.internal.framework.EquinoxBundle.start(EquinoxBundle.java:428)
    [...]

Environment

  • Liferay DXP 7.1

Resolution

  1. Download and deploy the Liferay JS Portlet Extender app
  2. Restart the server
  3. The deployment of your JavaScript widget should now be successful
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