avoiding npe when the index has not been done (#2437)

tulinkry · Vladimir Kotal · commit 697d307a68ec · 2018-10-23T17:25:25.000+02:00
diff --git a/opengrok-indexer/src/main/java/org/opengrok/indexer/web/PageConfig.java b/opengrok-indexer/src/main/java/org/opengrok/indexer/web/PageConfig.java
@@ -1677,7 +1677,7 @@ public boolean isNotModified(HttpServletRequest request, HttpServletResponse res
                         // all project related messages which changes the view
                         getProjectMessages(),
                         // last timestamp value
-                        getEnv().getDateForLastIndexRun().getTime(),
+                        getEnv().getDateForLastIndexRun() != null ? getEnv().getDateForLastIndexRun().getTime() : 0,
                         // OpenGrok version has changed since the last time
                         Info.getVersion()
                 )

Original file line number	Diff line number	Diff line change
`@@ -1677,7 +1677,7 @@ public boolean isNotModified(HttpServletRequest request, HttpServletResponse res`
`1677`	`1677`	`// all project related messages which changes the view`
`1678`	`1678`	`getProjectMessages(),`
`1679`	`1679`	`// last timestamp value`
`1680`		`- getEnv().getDateForLastIndexRun().getTime(),`
	`1680`	`+ getEnv().getDateForLastIndexRun() != null ? getEnv().getDateForLastIndexRun().getTime() : 0,`
`1681`	`1681`	`// OpenGrok version has changed since the last time`
`1682`	`1682`	`Info.getVersion()`
`1683`	`1683`	`)`