I have a Neo4j server running on my machine and access the database via the webadmin interface. Then I run a java application which writes data to the database using the Java API and exists afterwards.
If I then try to see the new data in the webadmin, I have to restart the Neo4j server (refreshing doesn't help).
How can I refresh the webadmin without having to restart the server?
Related
I am setting up window service for my neo4j database. I am able to start that from service and I can do a http post cypher query using localhost. However, I can't connect to the neo4j db remotely.
If I start the neo4j db via neo4j Desktop, I can perform http post both locally and remotely.
When I compared the neo4j logs generated using service start vs neo4j desktop start, they are quite different but no error on the service one.
Any idea?
By default, Neo4j server is not accessible remotely.
You need to change $NEO4J_HOME/conf/neo4j.conf.
Find this line:
#dbms.connector.http.address=localhost:7474
And Replace it with:
dbms.connector.http.address=0.0.0.0:7474
Setting connector address to 0.0.0.0 makes it accessible remotely.
I have dbms.active_database=debug.db set in neo4j.conf (and the new database's data directory was created upon restart), but the Neo4J Browser still connects to graph.db
I have developed a web application using Asp.net, where I am using Neo4j client to connect to my Neo4j database.
static GraphClient client = new GraphClient(new Uri(url), username, password);
client.Connect();
However this requires me to open the Neo4J desktop app and run the database before I can run my web app.
I wonder if it is possible to run the webapp without opening the Neo4J instance physically. i.e., The webapp should communicate with Neo4J in the background like we normally do with SQL databases.
The neo4j Desktop is only really for use during development.
To have a neo4j server that runs all the time, you should download an appropriate non-Desktop release from this page, and install it on a machine or environment that is always available. Chapter 2 of the Operations Manual has installation instructions.
I am new at NoSQL graphs databases. I am learning Neo4J with Java througth https://spring.io/guides/gs/accessing-data-neo4j/.
How can I see my nodes that I created by Java at the http address http://localhost:7474/browser/ ?
That guide uses an embedded Neo4j instance, which is accessible within the Java application. Specifically, this code:
#Bean
GraphDatabaseService graphDatabaseService() {
return new GraphDatabaseFactory().newEmbeddedDatabase("accessingdataneo4j.db");
}
is creating an embedded Neo4j instance in the current working directory with the name accessingdataneo4j.db. To use the Neo4j Browser you'll need to run Neo4j Server. Follow the instructions here to download and install Neo4j.
If you are using the Mac or Windows desktop application you can select the location for the embedded database your created previously - just point the "Database Location" to the location of accessingdataneo4j.db that you created and start the server. Then you can access the Neo4j Browser at http://localhost:7474
If you are not using the desktop application you can set the location of the database directory in conf/neo4j-server.properties:
org.neo4j.server.database.location=/path/to/accessingdataneo4j.db
I use <neo4j:config storeDirectory="/neo4j/target/data/db"> to config my neo4j database path,
and when tomcat started, the database files are locked by tomcat, and I can't start it using Neo4j official start tool, so how can I access my database in broswer like localhost:7474, or can spring connect a lunched neo4j server like mysql? and then I can access it through broswer.
You can work with one graph instance from one place only. If you are using it via tomcat in your code you wont be able to start it from the community tool. You would need to stop your tomcat and then run the tool to view it in the browser.