Ming Xia

Mapping datacenter name to an id.

2

Each datacenter currently has a String representation, e.g., `DC1`, which is specified when making the cluster. Because of the reason specified in #636 , an id in short needs to...

Build failure in freshly checked-out copy.

3

java version "1.8.0_144" `git clone ***` `cd ambry` `./gradlew clean && ./gradlew build` ``` com.github.ambry.router.GCMCryptoServiceTest > testEncryptDecryptKeys FAILED java.security.GeneralSecurityException: Exception thrown while encrypting data at com.github.ambry.router.GCMCryptoService.encrypt(GCMCryptoService.java:77) at com.github.ambry.router.GCMCryptoService.encryptKey(GCMCryptoService.java:103) at com.github.ambry.router.GCMCryptoService.encryptKey(GCMCryptoService.java:41)...

``` :ambry-clustermap:processUnitTestResources UP-TO-DATE :ambry-clustermap:unitTestClasses :ambry-clustermap:unitTest com.github.ambry.store.BlobStoreStatsTest > testBucketingWithNewEntriesDuringScan[3] FAILED java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextNode(HashMap.java:1437) at java.util.HashMap$EntryIterator.next(HashMap.java:1471) at java.util.HashMap$EntryIterator.next(HashMap.java:1469) at com.github.ambry.store.ScanResults.getValidSizePerContainer(ScanResults.java:168) at com.github.ambry.store.BlobStoreStats.getValidDataSizeByContainer(BlobStoreStats.java:249) at com.github.ambry.store.BlobStoreStatsTest.verifyAndGetContainerValidSize(BlobStoreStatsTest.java:871) at com.github.ambry.store.BlobStoreStatsTest.testBucketingWithNewEntriesDuringScan(BlobStoreStatsTest.java:543) ```

Below is the failure message. ``` :ambry-frontend:processUnitTestResources UP-TO-DATE :ambry-frontend:unitTestClasses :ambry-frontend:unitTest com.github.ambry.frontend.FrontendIntegrationTest > multipartPostGetHeadTest[3] FAILED java.lang.NullPointerException at com.github.ambry.frontend.FrontendIntegrationTest.getBlobInfoAndVerify(FrontendIntegrationTest.java:576) at com.github.ambry.frontend.FrontendIntegrationTest.doPostGetHeadDeleteTest(FrontendIntegrationTest.java:388) at com.github.ambry.frontend.FrontendIntegrationTest.multipartPostGetHeadTest(FrontendIntegrationTest.java:191) 74 tests completed, 1 failed :ambry-frontend:unitTest FAILED FAILURE: Build...