The
/var/vcap/sys/log/loggregator_trafficcontroller/loggregator_trafficcontroller.stderr.log
file has frequent occurrences of this type of snippet


2015/06/16 18:16:13 http: panic serving <routerIP>:<port>: runtime error:
invalid memory address or nil pointer dereference
goroutine 1614338 [running]:
net/http.func·011()
/usr/local/go/src/pkg/net/http/server.go:1100 +0xb7
runtime.panic(0x7c1a40, 0xa4a993)
/usr/local/go/src/pkg/runtime/panic.c:248 +0x18d
github.com/cloudfoundry/loggregatorlib/server/handlers.(*httpHandler).ServeHTTP(0xc209a61e30,
0x7f5171a3b288, 0xc20abf5ae0, 0xc20b12bad0)

/var/vcap/data/compile/loggregator_trafficcontroller/loggregator/src/
github.com/cloudfoundry/loggregatorlib/server/handlers/http_handler.go:29
+0x2f5
trafficcontroller/dopplerproxy.(*Proxy).serveWithDoppler(0xc2080ac0d0,
0x7f5171a3b288, 0xc20abf5ae0, 0xc20b12bad0, 0xc20aaacd6b, 0xa,
0xc20aaacd46, 0x24, 0x0, 0x12a05f200, ...)

/var/vcap/data/compile/loggregator_trafficcontroller/loggregator/src/trafficcontroller/dopplerproxy/doppler_proxy.go:181
+0x152
trafficcontroller/dopplerproxy.(*Proxy).serveAppLogs(0xc2080ac0d0,
0x7f5171a3b288, 0xc20abf5ae0, 0xc20b12bad0)

/var/vcap/data/compile/loggregator_trafficcontroller/loggregator/src/trafficcontroller/dopplerproxy/doppler_proxy.go:170
+0x849
trafficcontroller/dopplerproxy.(*Proxy).ServeHTTP(0xc2080ac0d0,
0x7f5171a3b288, 0xc20abf5ae0, 0xc20b12b930)

/var/vcap/data/compile/loggregator_trafficcontroller/loggregator/src/trafficcontroller/dopplerproxy/doppler_proxy.go:86
+0x4d9
net/http.serverHandler.ServeHTTP(0xc2080046c0, 0x7f5171a3b288,
0xc20abf5ae0, 0xc20b12b930)
/usr/local/go/src/pkg/net/http/server.go:1673 +0x19f
net/http.(*conn).serve(0xc20a8c6f00)
/usr/local/go/src/pkg/net/http/server.go:1174 +0xa7e
created by net/http.(*Server).Serve
/usr/local/go/src/pkg/net/http/server.go:1721 +0x313
2015/06/22 11:28:58 http: panic serving <routerIP>:<port>: runtime error:
invalid memory address or nil pointer dereference
goroutine 2034572 [running]:
net/http.func·011()
/usr/local/go/src/pkg/net/http/server.go:1100 +0xb7
runtime.panic(0x7c1a40, 0xa4a993)
/usr/local/go/src/pkg/runtime/panic.c:248 +0x18d
github.com/cloudfoundry/loggregatorlib/server/handlers.(*httpHandler).ServeHTTP(0xc20bf2d820,
0x7f5171a3b288, 0xc20d33a000, 0xc20c8c9c70)

/var/vcap/data/compile/loggregator_trafficcontroller/loggregator/src/
github.com/cloudfoundry/loggregatorlib/server/handlers/http_handler.go:29
+0x2f5
trafficcontroller/dopplerproxy.(*Proxy).serveWithDoppler(0xc2080ac0d0,
0x7f5171a3b288, 0xc20d33a000, 0xc20c8c9c70, 0xc20c96e1eb, 0xa,
0xc20c96e1c6, 0x24, 0x0, 0x12a05f200, ...)

/var/vcap/data/compile/loggregator_trafficcontroller/loggregator/src/trafficcontroller/dopplerproxy/doppler_proxy.go:181
+0x152
trafficcontroller/dopplerproxy.(*Proxy).serveAppLogs(0xc2080ac0d0,
0x7f5171a3b288, 0xc20d33a000, 0xc20c8c9c70)

/var/vcap/data/compile/loggregator_trafficcontroller/loggregator/src/trafficcontroller/dopplerproxy/doppler_proxy.go:170
+0x849
trafficcontroller/dopplerproxy.(*Proxy).ServeHTTP(0xc2080ac0d0,
0x7f5171a3b288, 0xc20d33a000, 0xc20c8c9ad0)

/var/vcap/data/compile/loggregator_trafficcontroller/loggregator/src/trafficcontroller/dopplerproxy/doppler_proxy.go:86
+0x4d9
net/http.serverHandler.ServeHTTP(0xc2080046c0, 0x7f5171a3b288,
0xc20d33a000, 0xc20c8c9ad0)
/usr/local/go/src/pkg/net/http/server.go:1673 +0x19f
net/http.(*conn).serve(0xc20c9cc680)
/usr/local/go/src/pkg/net/http/server.go:1174 +0xa7e
created by net/http.(*Server).Serve
/usr/local/go/src/pkg/net/http/server.go:1721 +0x313


thx
GV