[英]Accessing a Neo4j server in AWS Lambda function
I have a problem with getting access to my Neo4j database in a Lambda function. 我在Lambda函数中无法访问Neo4j数据库时遇到问题。 I want to build an Alexa skill and in that Alexa skill it should be possible to access a graph database like Neo4j.
我想建立一种Alexa技能,在这种Alexa技能下,应该可以访问Neo4j之类的图形数据库。 I thought that putting the DB into the cloud (with GrapheneDB) would solve this problem, but now it looks like something is wrong with the certification.
我以为将数据库放到云中(使用GrapheneDB)可以解决此问题,但是现在看来认证有些问题。
import org.neo4j.driver.v1.*;
import static org.neo4j.driver.v1.Values.parameters;
public class DB {
public static void main(String...args) {
Config noSSL = Config.build().withEncryptionLevel(Config.EncryptionLevel.NONE).toConfig();
Driver driver = GraphDatabase.driver("bolt://xyz.dbs.graphenedb.com:24786", AuthTokens.basic("db","pw"), noSSL);
try (org.neo4j.driver.v1.Session session = driver.session()) {
...
}
This code works in my IntelliJ IDE, but when I try to put this code in a sample Lambda function, these errors occur: 该代码在我的IntelliJ IDE中有效,但是当我尝试将此代码放在示例Lambda函数中时,会发生以下错误:
"errorMessage": "Unable to process request: General SSLEngine problem",
"errorType": "org.neo4j.driver.v1.exceptions.ClientException",
"stackTrace": [
"org.neo4j.driver.internal.connector.socket.SocketClient.start(SocketClient.java:85)",
"org.neo4j.driver.internal.connector.socket.SocketConnection.<init>(SocketConnection.java:63)",
"org.neo4j.driver.internal.connector.socket.SocketConnector.connect(SocketConnector.java:52)",
"org.neo4j.driver.internal.pool.InternalConnectionPool$1.allocate(InternalConnectionPool.java:191)",
"org.neo4j.driver.internal.pool.InternalConnectionPool$1.allocate(InternalConnectionPool.java:180)",
"org.neo4j.driver.internal.pool.ThreadCachingPool.allocate(ThreadCachingPool.java:212)",
"org.neo4j.driver.internal.pool.ThreadCachingPool.acquireFromGlobal(ThreadCachingPool.java:164)",
"org.neo4j.driver.internal.pool.ThreadCachingPool.acquire(ThreadCachingPool.java:118)",
"org.neo4j.driver.internal.pool.InternalConnectionPool.acquire(InternalConnectionPool.java:109)",
"org.neo4j.driver.internal.InternalDriver.session(InternalDriver.java:53)",
"spacegeek.SpaceGeekSpeechlet.startGraphDB(SpaceGeekSpeechlet.java:122)",
"spacegeek.SpaceGeekSpeechlet.onSessionStarted(SpaceGeekSpeechlet.java:87)",
"com.amazon.speech.speechlet.SpeechletToSpeechletV2Adapter.onSessionStarted(SpeechletToSpeechletV2Adapter.java:33)",
"com.amazon.speech.speechlet.SpeechletRequestDispatcher.dispatchSpeechletCall(SpeechletRequestDispatcher.java:102)",
"com.amazon.speech.speechlet.SpeechletRequestHandler.internalHandleSpeechletCall(SpeechletRequestHandler.java:152)",
"com.amazon.speech.speechlet.SpeechletRequestHandler.handleSpeechletCall(SpeechletRequestHandler.java:115)",
"com.amazon.speech.speechlet.lambda.SpeechletRequestStreamHandler.handleRequest(SpeechletRequestStreamHandler.java:89)"
],"errorMessage": "Unable to process request: General SSLEngine problem",
"errorType": "org.neo4j.driver.v1.exceptions.ClientException",
"stackTrace": [
"org.neo4j.driver.internal.connector.socket.SocketClient.start(SocketClient.java:85)",
"org.neo4j.driver.internal.connector.socket.SocketConnection.<init>(SocketConnection.java:63)",
"org.neo4j.driver.internal.connector.socket.SocketConnector.connect(SocketConnector.java:52)",
"org.neo4j.driver.internal.pool.InternalConnectionPool$1.allocate(InternalConnectionPool.java:191)",
"org.neo4j.driver.internal.pool.InternalConnectionPool$1.allocate(InternalConnectionPool.java:180)",
"org.neo4j.driver.internal.pool.ThreadCachingPool.allocate(ThreadCachingPool.java:212)",
"org.neo4j.driver.internal.pool.ThreadCachingPool.acquireFromGlobal(ThreadCachingPool.java:164)",
"org.neo4j.driver.internal.pool.ThreadCachingPool.acquire(ThreadCachingPool.java:118)",
"org.neo4j.driver.internal.pool.InternalConnectionPool.acquire(InternalConnectionPool.java:109)",
"org.neo4j.driver.internal.InternalDriver.session(InternalDriver.java:53)",
"spacegeek.SpaceGeekSpeechlet.startGraphDB(SpaceGeekSpeechlet.java:122)",
"spacegeek.SpaceGeekSpeechlet.onSessionStarted(SpaceGeekSpeechlet.java:87)",
"com.amazon.speech.speechlet.SpeechletToSpeechletV2Adapter.onSessionStarted(SpeechletToSpeechletV2Adapter.java:33)",
"com.amazon.speech.speechlet.SpeechletRequestDispatcher.dispatchSpeechletCall(SpeechletRequestDispatcher.java:102)",
"com.amazon.speech.speechlet.SpeechletRequestHandler.internalHandleSpeechletCall(SpeechletRequestHandler.java:152)",
"com.amazon.speech.speechlet.SpeechletRequestHandler.handleSpeechletCall(SpeechletRequestHandler.java:115)",
"com.amazon.speech.speechlet.lambda.SpeechletRequestStreamHandler.handleRequest(SpeechletRequestStreamHandler.java:89)"
],
Can anybody help with that? 有人可以帮忙吗? Or is there a better way to access a Neo4j DB?
还是有更好的方法来访问Neo4j DB?
Solved the problem. 解决了问题。 Simply had to change the encryption settings:
只需更改加密设置即可:
Config SSL = Config.build().withEncryption().toConfig();
Maybe it helps someone. 也许它可以帮助某人。
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