[Jenkins] Slave Invoke Ant時出現錯誤

Slave server Invoke Ant時報錯：

FATAL: Cannot find executable from the chosen Ant installation "Ant 1.8"
Build step 'Invoke Ant' marked build as failure

原因:

slave上面沒有安裝ant

解決辦法：

從master上設定安裝ant到slave上

Jenkins -> Manage Jenkins -> Configure System -> Ant