您好，我尝试在我的 java 应用程序的 solr 中索引我的数据库中的一行。我已经添加了必要的罐子，但我不断收到这个错误。我的 solr 架构是正确的，我提出的请求只是向我的数据库添加新行，我希望它也被索引
这是错误
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
Exception in thread "main" java.lang.NoSuchFieldError: DEF_CONTENT_CHARSET
at org.apache.http.impl.client.DefaultHttpClient.setDefaultHttpParams(DefaultHttpClient.java:175)
at org.apache.http.impl.client.DefaultHttpClient.createHttpParams(DefaultHttpClient.java:158)
at org.apache.http.impl.client.AbstractHttpClient.getParams(AbstractHttpClient.java:448)
at org.apache.solr.client.solrj.impl.HttpClientUtil.setFollowRedirects(HttpClientUtil.java:223)
at org.apache.solr.client.solrj.impl.HttpClientConfigurer.configure(HttpClientConfigurer.java:58)
at org.apache.solr.client.solrj.impl.HttpClientUtil.configureClient(HttpClientUtil.java:115)
at org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:105)
at org.apache.solr.client.solrj.impl.HttpSolrServer.<init>(HttpSolrServer.java:155)
at org.apache.solr.client.solrj.impl.HttpSolrServer.<init>(HttpSolrServer.java:128)
at tan.indexSolr.<init>(indexSolr.java:195)
at tan.indexSolr.main(indexSolr.java:51)
这是我的代码
public class indexSolr {
private Connection conn = null;
private static HttpSolrServer server;
private Collection docs = new ArrayList();
private int _totalSql = 0;
private long _start = System.currentTimeMillis();
public static void main(String[] args) throws SolrServerException, IOException, SQLException
{ String url = "http://localhost:8983/solr/db";
indexSolr idxer = new indexSolr(url);
idxer.doSqlDocuments();
idxer.endIndexing();
}
private void doSqlDocuments() throws SQLException {
try {
Class.forName("org.postgresql.Driver");
conn = DriverManager.getConnection(
"jdbc:postgresql://localhost:5432/biz_cat",
"postgres", "pos");
java.sql.Statement st = null;
st = conn.createStatement();
ResultSet rs = st.executeQuery("select * from pl_biz order by id DESC LIMIT 1");
while (rs.next()) {
SolrInputDocument doc = new SolrInputDocument();
Integer id = rs.getInt("id");
String name = rs.getString("name");
String midname = rs.getString("midname");
String lastname = rs.getString("lastname");
String frlsname = rs.getString("frlsname");
String biz_subject = rs.getString("biz_subject");
String company_type = rs.getString("company_type");
String obshtina = rs.getString("obshtina");
String main_office_town = rs.getString("main_office_town");
String address = rs.getString("address");
String role = rs.getString("role");
String country = rs.getString("country");
String nace_code = rs.getString("nace_code");
String nace_text = rs.getString("nace_text");
String zip_code = rs.getString("zip_code");
String phone = rs.getString("phone");
String fax = rs.getString("fax");
String email = rs.getString("email");
String web = rs.getString("web");
String location = rs.getString("location");
String geohash = rs.getString("geohash");
Integer popularity = rs.getInt("popularity");
doc.addField("id", id);
doc.addField("name", name);
doc.addField("midname", midname);
doc.addField("lastname", lastname);
doc.addField("frlsname", frlsname);
doc.addField("biz_subject", biz_subject);
doc.addField("company_type", company_type);
doc.addField("obshtina", obshtina);
doc.addField("main_office_town", main_office_town);
doc.addField("address", address);
doc.addField("role", role);
doc.addField("country", country);
doc.addField("nace_code", nace_code);
doc.addField("nace_text", nace_text);
doc.addField("zip_code", zip_code);
doc.addField("phone", phone);
doc.addField("fax", fax);
doc.addField("email", email);
doc.addField("web", web);
doc.addField("location", location);
doc.addField("geohash", geohash);
doc.addField("popularity", popularity);
docs.add(doc);
++_totalSql;
if (docs.size() > 1) {
// Commit within 5 minutes.
UpdateResponse resp = server.add(docs);
System.out.println (resp);
if (resp.getStatus() != 0) {
log("Some horrible error has occurred, status is: " +
resp.getStatus());
}
docs.clear();
}
}
}
catch (Exception ex)
{
ex.printStackTrace();
}
finally {
if (conn != null) {
conn.close();
}
}
}
private void endIndexing() throws IOException, SolrServerException {
if (docs.size() > 0) { // Are there any documents left over?
server.add(docs, 300000); // Commit within 5 minutes
}
try
{
server.commit();
}
catch (Exception ex)
{
ex.printStackTrace();
}
long endTime = System.currentTimeMillis();
log("Total Time Taken: " + (endTime - _start) +
" milliseconds to index " + _totalSql +
" SQL rows" );
}
private static void log(String msg) {
System.out.println(msg);
}
private indexSolr(String url) throws IOException, SolrServerException {
// Create a multi-threaded communications channel to the Solr server.
try {
server = new HttpSolrServer(url);
server.setSoTimeout(1000); // socket read timeout
server.setConnectionTimeout(1000);
server.setMaxRetries(1);
}
catch (Exception ex)
{
ex.printStackTrace();
}
}
}