{"record":{"id":"999f90d08220d617","repo":"apache/hadoop","slug":"problem-removing-name-from-this","errorCode":null,"errorMessage":"Problem removing ${name} from ${this}","messagePattern":"Problem removing (.+?) from (.+?)","errorType":"exception","errorClass":"IOException","httpStatus":null,"severity":"error","filePath":"hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/JavaKeyStoreProvider.java","lineNumber":486,"sourceCode":"        throw new IOException(\"Key \" + name + \" does not exist in \" + this);\n      }\n      for(int v=0; v < meta.getVersions(); ++v) {\n        String versionName = buildVersionName(name, v);\n        try {\n          if (keyStore.containsAlias(versionName)) {\n            keyStore.deleteEntry(versionName);\n          }\n        } catch (KeyStoreException e) {\n          throw new IOException(\"Problem removing \" + versionName + \" from \" +\n              this, e);\n        }\n      }\n      try {\n        if (keyStore.containsAlias(name)) {\n          keyStore.deleteEntry(name);\n        }\n      } catch (KeyStoreException e) {\n        throw new IOException(\"Problem removing \" + name + \" from \" + this, e);\n      }\n      cache.remove(name);\n      changed = true;\n    } finally {\n      writeLock.unlock();\n    }\n  }\n\n  KeyVersion innerSetKeyVersion(String name, String versionName, byte[] material,\n                                String cipher) throws IOException {\n    try {\n      keyStore.setKeyEntry(versionName, new SecretKeySpec(material, cipher),\n          password, null);\n    } catch (KeyStoreException e) {\n      throw new IOException(\"Can't store key \" + versionName + \" in \" + this,\n          e);\n    }\n    changed = true;","sourceCodeStart":468,"sourceCodeEnd":504,"githubUrl":"https://github.com/apache/hadoop/blob/2add9630210752f88ceb1bb74eb65e37bf41da8e/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/JavaKeyStoreProvider.java#L468-L504","documentation":"After removing all version entries, deleteKey removes the base-name alias that holds the key's Metadata; a KeyStoreException there is wrapped as 'Problem removing <name> from <uri>'. If this fires, version entries may already be gone while the metadata alias remains, so the key is only half-deleted until a successful retry.","triggerScenarios":"Same keystore-level failures as the version loop: corrupt or degraded store, provider rejection, concurrent writers; this specific message means the failure happened on the final metadata-alias removal.","commonSituations":"Corruption hitting mid-delete; keystores on flaky storage; another process renaming/rewriting the keystore file during the delete.","solutions":["Retry deleteKey once the store is healthy: it will re-run both loops and finish removing the metadata alias","Verify with `hadoop key list -provider <uri>` that the alias is really gone","Restore the keystore from backup if the store is corrupt"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":"try { provider.deleteKey(name); } catch (IOException e) { if (String.valueOf(e.getMessage()).startsWith(\"Problem removing \" + name)) { // metadata alias may remain: verify with getMetadata and retry after store repair } throw e; }","preventionTips":["After any failed delete, verify the key is fully gone with hadoop key list","Retry deleteKey once the store is healthy to finish metadata removal","Back up keystore before bulk deletions"],"tags":["java","hadoop","keystore","key-provider","jceks"],"backgroundTag":"keystore-operation-failed","analyzedSha":"2add9630210752f88ceb1bb74eb65e37bf41da8e","analyzedAt":"2026-08-22T19:55:07.957Z","schemaVersion":2},"datasetVersion":"2026-08-22T20:17:22.307Z"}