[INFO] Compiling module com.raybased.gwt.configtool.ConfigTool
[INFO] Adding '20' new generated units
[INFO] See snapshot: C:\Users\mp\AppData\Local\Temp\open.java.sql.Timestamp_Generated_JsonEncoderDecoder_6700227881353607446.java
[INFO] Ignored 1 unit with compilation errors in first pass.
[INFO] Compile with -strict or with -logLevel set to TRACE or DEBUG to see all errors.
[INFO] [ERROR] Errors in 'C:\Users\mp\AppData\Local\Temp\gwt-codeserver-8873452864313505328.tmp\com.raybased.gwt.configtool.ConfigTool\compile-2\gen\open\java\sql\Timestamp_Generated_JsonEncoderDecoder_.java'
[INFO] [ERROR] Line 29: The constructor Timestamp() is undefined
[INFO] See snapshot: C:\Users\mp\AppData\Local\Temp\open.java.sql.Timestamp_Generated_JsonEncoderDecoder_2607004013566168451.java
[INFO] Tracing compile failure path for type 'open.java.sql.Timestamp_Generated_JsonEncoderDecoder_'
[INFO] [ERROR] Errors in 'C:\Users\mp\AppData\Local\Temp\gwt-codeserver-8873452864313505328.tmp\com.raybased.gwt.configtool.ConfigTool\compile-2\gen\open\java\sql\Timestamp_Generated_JsonEncoderDecoder_.java'
[INFO] [ERROR] Line 29: The constructor Timestamp() is undefined
[INFO] [ERROR] Hint: Check that the type name 'open.java.sql.Timestamp_Generated_JsonEncoderDecoder_' is really what you meant
[INFO] [ERROR] Hint: Check that your classpath includes all required source roots
[INFO] [ERROR] Compiler returned false