Source:
<code>public void copyAsync(DataObject srcData, DataObject destData, Host destHost, AsyncCompletionCallback<CopyCommandResult> callback) { Answer answer = null; String errMsg = null; try { s_logger.debug("copyAsync inspecting src type " + srcData.getType().toString() + " copyAsync inspecting dest type " + destData.getType().toString()); if (srcData.getType() == DataObjectType.SNAPSHOT && destData.getType() == DataObjectType.VOLUME) { answer = copyVolumeFromSnapshot(srcData, destData); } else if (srcData.getType() == DataObjectType.SNAPSHOT && destData.getType() == DataObjectType.TEMPLATE) { answer = createTemplateFromSnapshot(srcData, destData); } else if (srcData.getType() == DataObjectType.TEMPLATE && destData.getType() == DataObjectType.VOLUME) { answer = cloneVolume(srcData, destData); } else if (destData.getType() == DataObjectType.VOLUME && srcData.getType() == DataObjectType.VOLUME && srcData.getDataStore().getRole() == DataStoreRole.Primary && destData.getDataStore().getRole() == DataStoreRole.Primary) { if (srcData.getId() == destData.getId()) { answer = migrateVolumeToPool(srcData, destData); } else { answer = copyVolumeBetweenPools(srcData, destData); } } else if (srcData.getType() == DataObjectType.SNAPSHOT && destData.getType() == DataObjectType.SNAPSHOT) { answer = copySnapshot(srcData, destData); } else { answer = copyObject(srcData, destData, destHost); } if (answer != null && !answer.getResult()) { errMsg = answer.getDetails(); } if (answer == null) { <START> errMsg = "answer is null, set to error for CopyCommandResult"; <END> } } catch (Exception e) { s_logger.debug("copy failed", e); errMsg = e.toString(); } CopyCommandResult result = new CopyCommandResult(null, answer); result.setResult(errMsg); callback.complete(result); }</code><technical_language>I understand this error message. clear, please? for example "no answer copyCommand, considering failed." preferably some data src, dest, src.type dest.type</technical_language>

Target:
public void copyAsync(DataObject srcData, DataObject destData, Host destHost, AsyncCompletionCallback<CopyCommandResult> callback) { Answer answer = null; String errMsg = null; try { s_logger.debug("copyAsync inspecting src type " + srcData.getType().toString() + " copyAsync inspecting dest type " + destData.getType().toString()); if (srcData.getType() == DataObjectType.SNAPSHOT && destData.getType() == DataObjectType.VOLUME) { answer = copyVolumeFromSnapshot(srcData, destData); } else if (srcData.getType() == DataObjectType.SNAPSHOT && destData.getType() == DataObjectType.TEMPLATE) { answer = createTemplateFromSnapshot(srcData, destData); } else if (srcData.getType() == DataObjectType.TEMPLATE && destData.getType() == DataObjectType.VOLUME) { answer = cloneVolume(srcData, destData); } else if (destData.getType() == DataObjectType.VOLUME && srcData.getType() == DataObjectType.VOLUME && srcData.getDataStore().getRole() == DataStoreRole.Primary && destData.getDataStore().getRole() == DataStoreRole.Primary) { if (srcData.getId() == destData.getId()) { answer = migrateVolumeToPool(srcData, destData); } else { answer = copyVolumeBetweenPools(srcData, destData); } } else if (srcData.getType() == DataObjectType.SNAPSHOT && destData.getType() == DataObjectType.SNAPSHOT) { answer = copySnapshot(srcData, destData); } else { answer = copyObject(srcData, destData, destHost); } if (answer != null && !answer.getResult()) { errMsg = answer.getDetails(); } } catch (Exception e) { s_logger.debug("copy failed", e); errMsg = e.toString(); } CopyCommandResult result = new CopyCommandResult(null, answer); result.setResult(errMsg); callback.complete(result); }