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PowerFlex Gateway version 3.6.6 PowerFlex Gateway scaleio.log may show the following: 2025-10-16 16:45:24,322 [https-jsse-nio-443-exec-16] DEBUG o.s.web.servlet.DispatcherServlet - Failed to complete request: jakarta.servlet.ServletException: Handler processing failed: java.lang.OutOfMemoryError: Java heap space PowerFlex Gateway Catalina logs may show the following: 15-Oct-2025 19:41:56.301 WARNING [main] org.apache.tomcat.util.digester.SetPropertiesRule.begin Match [Server/Service/Connector] failed to set property [sessionCacheSize] to [2000] Impact PowerFlex API calls may fail to be processed.
Excessive memory consumption causes this error in the SSL session cache. This occurred because the javax.net .ssl.sessionCacheSize system property was not correctly applied. In the server.xml configuration, the attribute sessionCacheSize="2000" was incorrectly placed inside the <Connector> element. Tomcat 10 ignores this property when defined there, resulting in unbounded SSL session growth, and an eventual OutOfMemoryError .
Connect to the PowerFlex Gateway server. Modify the file /opt/emc/scaleio/gateway/conf/server.xml Within the server.xml file, move the configuration setting: sessionCacheSize="2000" To the bottom but within the < SSLHostConfig > block Save the file. Restart the PowerFlex Gateway service. systemctl restart scaleio-gateway
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