基本上我是lucene的新手我通过使用70个电子邮件文档创建了索引.使用前29个文档创建的第一个索引,然后创建用于另一个索引创建的41个文档中的其余文档.
我尝试使用lucene在第一个索引文件中搜索,它给了我想要的结果......但每当我尝试合并两个索引时,它就永远不会为我做这个..对于索引创建
import java.io.BufferedReader;
import java.io.File;
import java.io.FileFilter;
import java.io.FileReader;
import java.io.IOException;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.FSDirectory;
public class Indexer {
public static void main(String[] args) throws Exception {
if (args.length != 0) {
throw new IllegalArgumentException("Usage: java "
+ Indexer.class.getName() + " <index dir> <data dir>");
}
String indexDir = "docsOPDir"; //1
String dataDir = "docsDir"; //2
long start = System.currentTimeMillis();
Indexer indexer = new Indexer(indexDir);
int numIndexed;
try {
numIndexed = …基本上我一直在经历一个问题,并希望强制我的浏览器在浏览器模式下使用:IE 10 Compatable View和Document Mode:Quirks.
在IE 10中,文档模式是IE 5 Quirks而且只有Quirks但是,我也无法通过使用文档模式和元标记来强制执行它.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<meta http-equiv="X-UA-Compatible" content="IE=EDGE"/>
这是我一直在尝试但没有运气.
我正在从用户创建 X-Auth-Token。但是，当我尝试从生成的令牌中检索用户时，它给了我一个异常
Warning: StandardWrapperValve[com.security.util.AppConfig]: Servlet.service() for servlet com.security.util.AppConfig threw exception
java.lang.IllegalStateException: com.fasterxml.jackson.databind.JsonMappingException: Can not construct instance of org.springframework.security.core.userdetails.UserDetails, problem: abstract types either need to be mapped to concrete types, have custom deserializer, or be instantiated with additional type information
at [Source: java.io.ByteArrayInputStream@7e618679; line: 1, column: 1]
at com.security.util.TokenHandler.fromJSON(TokenHandler.java:81)
at com.security.util.TokenHandler.parseUserFromToken(TokenHandler.java:55)
at com.security.util.TokenAuthenticationService.getAuthentication(TokenAuthenticationService.java:43)
at com.security.util.StatelessAuthenticationFilter.doFilter(StatelessAuthenticationFilter.java:34)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:199)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:316) …过去几天我一直试图为我的手表创建一个警报应用程序.并且无法找到任何线索,我们如何为Android服装创建后台服务.即使我在Android开发者指南中找不到任何东西.
但是,我只是想为Android服装创建这个应用程序,不想同步手机中的数据.
java android android-wear-data-api android-wear-notification wear-os
使用数据流将大型查询表从一个项目复制到另一个项目的最佳方法是什么？我使用 CopyJobConfiguration 做到了这一点，但是为此我们始终需要提高其他项目的作业创建访问权限。所以我正在寻找最好、最优且经济的复制数据的解决方案。在GCP上，除了JobCopyConfiguration之外，我找不到推荐的方法。
java google-bigquery google-cloud-platform google-cloud-dataflow