elasticsearch,Elastic Stack" />
elasticsearch,elastic-stack,Java,Java 尝试插入null以接收附件字段时，ElasticSearch返回错误
我已经安装了ingest attachment processor，正在从一个索引Java 尝试插入null以接收附件字段时，ElasticSearch返回错误,java,
elasticsearch,elastic-stack,Java,
documentsdocuments\u attachmentpublic class DocumentIndex {
private final static String INDEX = "documents_local";
private final static String ATTACHMENT = "document_attachment";
private final static String TYPE = "doc";
private static final Logger logger = Logger.getLogger(Thread.currentThread().getStackTrace()[0].getClassName());
public static void main(String args[]) throws IOException {
RestHighLevelClient restHighLevelClient = null;
Document doc=new Document();
logger.info("Started Indexing the Document.....");
try {
restHighLevelClient = new RestHighLevelClient(RestClient.builder(new HttpHost("localhost", 9200, "http"),
new HttpHost("localhost", 9201, "http")));
} catch (Exception e) {
System.out.println(e.getMessage());
}
//Fetching Id, FilePath & FileName from Document Index.
SearchRequest searchRequest = new SearchRequest(INDEX);
searchRequest.types(TYPE);
SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
QueryBuilder qb = QueryBuilders.matchAllQuery();
searchSourceBuilder.query(qb);
searchSourceBuilder.size(3000);
searchRequest.source(searchSourceBuilder);
SearchResponse searchResponse = null;
try {
searchResponse = restHighLevelClient.search(searchRequest);
} catch (IOException e) {
e.getLocalizedMessage();
}
SearchHit[] searchHits = searchResponse.getHits().getHits();
long totalHits=searchResponse.getHits().totalHits;
logger.info("Total Hits --->"+totalHits);
int line=1;
Map<String, Object> jsonMap ;
for (SearchHit hit : searchHits) {
String encodedfile = null;
File file=null;
Map<String, Object> sourceAsMap = hit.getSourceAsMap();
doc.setId((int) sourceAsMap.get("id"));
doc.setApp_language(sourceAsMap.get("app_language").toString());
String filepath=doc.getPath().concat(doc.getFilename());
logger.info("Line Number--> "+line+++"ID---> "+doc.getId()+"File Path --->"+filepath);
try(PrintWriter out = new PrintWriter(new FileOutputStream(new File("d:\\AllFilePath.txt"), true)) ){
out.println("Line Number--> "+line+"ID---> "+doc.getId()+"File Path --->"+filepath);
}
file = new File(filepath);
if(file.exists() && !file.isDirectory()) {
try {
try(PrintWriter out = new PrintWriter(new FileOutputStream(new File("d:\\AvailableFile.txt"), true)) ){
out.println("Line Number--> "+line+++"ID---> "+doc.getId()+"File Path --->"+filepath);
}
FileInputStream fileInputStreamReader = new FileInputStream(file);
byte[] bytes = new byte[(int) file.length()];
fileInputStreamReader.read(bytes);
encodedfile = new String(Base64.getEncoder().encodeToString(bytes));
} catch (FileNotFoundException e) {
e.printStackTrace();
}
}
jsonMap = new HashMap<>();
jsonMap.put("id", doc.getId());
jsonMap.put("app_language", doc.getApp_language());
jsonMap.put("fileContent", encodedfile); // inserting null here when file is not available and it is not able to encoded.
String id=Long.toString(doc.getId());
IndexRequest request = new IndexRequest(ATTACHMENT, "doc", id )
.source(jsonMap)
.setPipeline(ATTACHMENT);
PrintStream printStream = new PrintStream(new File("d:\\exception.txt"));
try {
IndexResponse response = restHighLevelClient.index(request);
} catch(ElasticsearchException e) {
if (e.status() == RestStatus.CONFLICT) {
}
e.printStackTrace(printStream);
}
line++;
}
logger.info("Indexing done.....");
}
}
fileContentdocuments\u attachmentnullfileContentnullfileContentElasticsearchStatusException[Elasticsearch exception [type=exception, reason=java.lang.IllegalArgumentException: java.lang.IllegalArgumentException: field [fileContent] is null, cannot parse.]]; nested: ElasticsearchException[Elasticsearch exception [type=illegal_argument_exception, reason=java.lang.IllegalArgumentException: field [fileContent] is null, cannot parse.]]; nested: ElasticsearchException[Elasticsearch exception [type=illegal_argument_exception, reason=field [fileContent] is null, cannot parse.]];
at org.elasticsearch.rest.BytesRestResponse.errorFromXContent(BytesRestResponse.java:177)
at org.elasticsearch.client.RestHighLevelClient.parseEntity(RestHighLevelClient.java:573)
at org.elasticsearch.client.RestHighLevelClient.parseResponseException(RestHighLevelClient.java:549)
at org.elasticsearch.client.RestHighLevelClient.performRequest(RestHighLevelClient.java:456)
at org.elasticsearch.client.RestHighLevelClient.performRequestAndParseEntity(RestHighLevelClient.java:429)
at org.elasticsearch.client.RestHighLevelClient.index(RestHighLevelClient.java:312)
at com.es.utility.DocumentIndex.main(DocumentIndex.java:193)
Suppressed: org.elasticsearch.client.ResponseException: method [PUT], host [http://localhost:9200], URI [/document_attachment_dev/doc/129439?pipeline=document_attachment_dev&timeout=1m], status line [HTTP/1.1 500 Internal Server Error]
{"error":{"root_cause":[{"type":"exception","reason":"java.lang.IllegalArgumentException: java.lang.IllegalArgumentException: field [fileContent] is null, cannot parse.","header":{"processor_type":"attachment"}}],"type":"exception","reason":"java.lang.IllegalArgumentException: java.lang.IllegalArgumentException: field [fileContent] is null, cannot parse.","caused_by":{"type":"illegal_argument_exception","reason":"java.lang.IllegalArgumentException: field [fileContent] is null, cannot parse.","caused_by":{"type":"illegal_argument_exception","reason":"field [fileContent] is null, cannot parse."}},"header":{"processor_type":"attachment"}},"status":500}
public class DocumentIndex {
private final static String INDEX = "documents_local";
private final static String ATTACHMENT = "document_attachment";
private final static String TYPE = "doc";
private static final Logger logger = Logger.getLogger(Thread.currentThread().getStackTrace()[0].getClassName());
public static void main(String args[]) throws IOException {
RestHighLevelClient restHighLevelClient = null;
Document doc=new Document();
logger.info("Started Indexing the Document.....");
try {
restHighLevelClient = new RestHighLevelClient(RestClient.builder(new HttpHost("localhost", 9200, "http"),
new HttpHost("localhost", 9201, "http")));
} catch (Exception e) {
System.out.println(e.getMessage());
}
//Fetching Id, FilePath & FileName from Document Index.
SearchRequest searchRequest = new SearchRequest(INDEX);
searchRequest.types(TYPE);
SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
QueryBuilder qb = QueryBuilders.matchAllQuery();
searchSourceBuilder.query(qb);
searchSourceBuilder.size(3000);
searchRequest.source(searchSourceBuilder);
SearchResponse searchResponse = null;
try {
searchResponse = restHighLevelClient.search(searchRequest);
} catch (IOException e) {
e.getLocalizedMessage();
}
SearchHit[] searchHits = searchResponse.getHits().getHits();
long totalHits=searchResponse.getHits().totalHits;
logger.info("Total Hits --->"+totalHits);
int line=1;
Map<String, Object> jsonMap ;
for (SearchHit hit : searchHits) {
String encodedfile = null;
File file=null;
Map<String, Object> sourceAsMap = hit.getSourceAsMap();
doc.setId((int) sourceAsMap.get("id"));
doc.setApp_language(sourceAsMap.get("app_language").toString());
String filepath=doc.getPath().concat(doc.getFilename());
logger.info("Line Number--> "+line+++"ID---> "+doc.getId()+"File Path --->"+filepath);
try(PrintWriter out = new PrintWriter(new FileOutputStream(new File("d:\\AllFilePath.txt"), true)) ){
out.println("Line Number--> "+line+"ID---> "+doc.getId()+"File Path --->"+filepath);
}
file = new File(filepath);
if(file.exists() && !file.isDirectory()) {
try {
try(PrintWriter out = new PrintWriter(new FileOutputStream(new File("d:\\AvailableFile.txt"), true)) ){
out.println("Line Number--> "+line+++"ID---> "+doc.getId()+"File Path --->"+filepath);
}
FileInputStream fileInputStreamReader = new FileInputStream(file);
byte[] bytes = new byte[(int) file.length()];
fileInputStreamReader.read(bytes);
encodedfile = new String(Base64.getEncoder().encodeToString(bytes));
} catch (FileNotFoundException e) {
e.printStackTrace();
}
}
jsonMap = new HashMap<>();
jsonMap.put("id", doc.getId());
jsonMap.put("app_language", doc.getApp_language());
jsonMap.put("fileContent", encodedfile); // inserting null here when file is not available and it is not able to encoded.
String id=Long.toString(doc.getId());
IndexRequest request = new IndexRequest(ATTACHMENT, "doc", id )
.source(jsonMap)
.setPipeline(ATTACHMENT);
PrintStream printStream = new PrintStream(new File("d:\\exception.txt"));
try {
IndexResponse response = restHighLevelClient.index(request);
} catch(ElasticsearchException e) {
if (e.status() == RestStatus.CONFLICT) {
}
e.printStackTrace(printStream);
}
line++;
}
logger.info("Indexing done.....");
}
}
Am使用以下摄取附件处理器的映射配置，当文件内容不可用（null）时，该处理器正在工作文件
为什么要发送空值？如果不需要的话，我就不给管道打电话了。你的想法有道理。但我觉得，只有文件不可用，剩下的数据可用。因此，只需在没有文件的情况下进行同步。我们可以像这样添加空字符串（“”），而不是
nullPUT _ingest/pipeline/document_attachment
{
"description" : "my first pipeline with handled exceptions",
"processors" : [
{
"attachment" : {
"field" : "fileContent",
"on_failure" : [
{
"set" : {
"field" : "error",
"value" : "{{ _ingest.on_failure_message }}"
}
}
]
}
}
]
}