Article - CS325523
Java license and support for IOTGateway plug-in in PTC Kepware Products
Modified: 16-Apr-2026
Applies To
- ThingWorx Kepware Server (legacy) 8.0 to 6.18
- Kepware Server (formerly KEPServerEX) 5.20.396.0 to 7.0
Description
- Does IoT Gateway plug-in purchase include Oracle Java license?
- Does IOT Gateway plug-in support Open JDK?
- Which Java/SDK is supported by IOT Gateway plug-in?
- IoT Gateway plug-in quit transmitting data to Azure IoT Hub with below Event Log error
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Error adding item
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- IoT Gateway plug-in could not start up and below error is reported
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KEPServerEX\IoT Gateway Failed to launch IoT Gateway: no suitable 32-bit JRE was configured or found
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- Does IOT Gateway license include Java in Kepserver?
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The user would appreciate it if someone could help, support, or advise whether it is possible—and how—to move toward Amazon Corretto (OpenJDK) or other free or reasonably priced alternatives, so that Kepware can continue to be used
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