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How to debug spring boot application? #4457

devnewton opened this Issue Mar 1, 2019 · 1 comment


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devnewton commented Mar 1, 2019


When I try to debug my application ( ), I got the following error in Theia (no problem with a local IDE):

Binding to target org.springframework.boot.autoconfigure.web.ServerProperties@282ffbf5 failed:
    Property: server.port
    Value: tcp://
    Reason: Failed to convert property value of type 'java.lang.String' to required type 'java.lang.Integer' for property 'port'; nested exception is org.springframework.core.convert.ConverterNotFoundException: No converter found capable of converting from type [java.lang.String] to type [java.lang.Integer]

Maybe Theia is using environment variable that overrides Spring Boot configuration?

Reproduction Steps

Launch then debug.


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geropl commented Mar 4, 2019

Hi devnewton,

looks like this is more of a Gitpod issue. Could you move the ticket to I'll look into it.

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