Resolve Bug:445 Remove freemarker from config code generator.

[controller.git] / opendaylight / config / config-manager / src / main / java / org / opendaylight / controller / config / manager / impl / ConfigTransactionControllerImpl.java

diff --git a/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/ConfigTransactionControllerImpl.java b/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/ConfigTransactionControllerImpl.java
index 6b7251c302975911c598ccbc0dce4fd09678403e..bc4de5cc156580741caf9e5abcbfbd32e07556ce 100644 (file)
--- a/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/ConfigTransactionControllerImpl.java
+++ b/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/ConfigTransactionControllerImpl.java
@@ -44,6 +44,7 @@ import java.util.Map.Entry;
 import java.util.Set;
 import java.util.concurrent.atomic.AtomicBoolean;
 
+import static com.google.common.base.Preconditions.checkNotNull;
 import static java.lang.String.format;
 
 /**
@@ -380,7 +381,8 @@ class ConfigTransactionControllerImpl implements
             try {
                 logger.debug("About to commit {} in transaction {}",
                         name, getTransactionIdentifier());
-                module.getInstance();
+                AutoCloseable instance = module.getInstance();
+                checkNotNull(instance, "Instance is null:{} in transaction {}", name, getTransactionIdentifier());
             } catch (Exception e) {
                 logger.error("Commit failed on {} in transaction {}", name,
                         getTransactionIdentifier(), e);