扩容FE节点，启动FE失败

[king-rain]

扩容FE节点，启动报错如下：
java.io.IOException: failed to read session variable: Can not set int field org.apache.doris.qe.SessionVariable.queryTimeoutS to java.lang.Long
at org.apache.doris.qe.SessionVariable.readFromJson(SessionVariable.java:1023)
at org.apache.doris.qe.SessionVariable.readFields(SessionVariable.java:981)
at org.apache.doris.qe.VariableMgr.read(VariableMgr.java:312)
at org.apache.doris.catalog.Catalog.loadGlobalVariable(Catalog.java:1902)
at org.apache.doris.common.MetaReader.read(MetaReader.java:89)
at org.apache.doris.catalog.Catalog.loadImage(Catalog.java:1618)
at org.apache.doris.catalog.Catalog.initialize(Catalog.java:848)
at org.apache.doris.PaloFe.start(PaloFe.java:125)
at org.apache.doris.PaloFe.main(PaloFe.java:63)

doris版本信息

Git : git://95c4266102e9/root/incubator-doris@3b159a9

Version : trunk

[morningman]

This has been fixed in the latest master branch. You can upgrade to it.
And BTW, it is not recommended to use master branch in production env.

[king-rain]

ok，got it