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Modded Command in Minecraft 1.8.9 command doesn't exist in Multiplayer server

I am developing some minecraft mod for 1.8.9.
What I'm trying to create is command that simply send message to sender.
here's the code for command class and main class
command class:
package happyandjust.happymod.commands;
import java.util.HashMap;
import java.util.List;
import net.minecraft.command.CommandBase;
import net.minecraft.command.CommandException;
import net.minecraft.command.ICommandSender;
import net.minecraft.util.ChatComponentText;
import net.minecraft.util.EnumChatFormatting;
public class Command extends CommandBase {
private HashMap<String, String> collection = new HashMap<String, String>();
#Override
public String getCommandName() {
return "collection";
}
#Override
public String getCommandUsage(ICommandSender sender) {
return "collection <enchant name>";
}
#Override
public void processCommand(ICommandSender sender, String[] args) throws CommandException {
collection.put("harvesting", "Wheat Collection Level 2");
collection.put("cubism", "Pumpkin Collection Level 5");
if (args.length < 1) {
sender.addChatMessage(new ChatComponentText(EnumChatFormatting.RED + "Usage: /collection [Enchant Name]"));
return;
}
if (args.length == 1) {
String enchant_name = args[0].toLowerCase();
String collec = collection.get(enchant_name);
if (collec == null) {
sender.addChatMessage(new ChatComponentText(
EnumChatFormatting.RED + enchant_name.toUpperCase() + " is not valid Enchant Name"));
return;
}
sender.addChatMessage(new ChatComponentText(
EnumChatFormatting.GREEN + enchant_name.toUpperCase() + " is at " + collection.get(enchant_name)));
}
}
#Override
public boolean canCommandSenderUseCommand(ICommandSender sender) {
return true;
}
}
main class:
package happyandjust.happymod.main;
import happyandjust.happymod.commands.Command;
import happyandjust.happymod.proxy.CommonProxy;
import happyandjust.happymod.util.Reference;
import net.minecraftforge.client.ClientCommandHandler;
import net.minecraftforge.fml.common.Loader;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.common.ModContainer;
import net.minecraftforge.fml.common.Mod.EventHandler;
import net.minecraftforge.fml.common.Mod.Instance;
import net.minecraftforge.fml.common.SidedProxy;
import net.minecraftforge.fml.common.event.FMLInitializationEvent;
import net.minecraftforge.fml.common.event.FMLPostInitializationEvent;
import net.minecraftforge.fml.common.event.FMLServerStartingEvent;
#Mod(modid = Reference.MOD_ID, name = Reference.NAME, version = Reference.VERSION)
public class HappyMod {
#Instance
public static HappyMod instance;
#SidedProxy(clientSide = Reference.CLIENT_PROXY_CLASS, serverSide = Reference.COMMON_PROXY_CLASS)
public static CommonProxy proxy;
#EventHandler
public static void preInit(FMLPostInitializationEvent e) {
}
#EventHandler
public static void init(FMLInitializationEvent e) {
ClientCommandHandler.instance.registerCommand(new Command());
}
#EventHandler
public static void postInit(FMLPostInitializationEvent e) {
}
}
It works fine in single player but if I went to the multi player server like hypixel.
It says "Unknown command"
I have no idea to do this
Can anyone help me to work this command in multi player server?

You need to override the getRequiredPermissionLevel() method from CommandBase for it to work on multiplayer.
#Override
public int getRequiredPermissionLevel() {
return 0;
}

RandomAccessFile doesn't work with Minecraft Forge

I'm working at the moment on a Mod for Minecraft with a dedicated Gui system written in C++ and Qt5. I let my GUI and Minecraft communicate through a named pipe, but I have there a small problem. I can read and write with a simple Java and C++(Qt) program into the pipe. But when I create a new instance of my Pipeendpoint class in post init of Minecraft Forge it can't read anything from the Pipe. In a standalone system, it can read stuff.
Not working Forge Implementation:
package de.CoderDE.CodersAnimationEditor;
import java.io.FileNotFoundException;
import de.CoderDE.CodersAnimationEditor.Pipe.PipeEndpoint;
import net.minecraft.client.Minecraft;
import net.minecraftforge.fml.client.registry.ClientRegistry;
import net.minecraftforge.fml.common.event.FMLInitializationEvent;
import net.minecraftforge.fml.common.event.FMLPostInitializationEvent;
import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;
#SideOnly(Side.CLIENT)
public class ClientProxy extends CommonProxy {
static PipeEndpoint pendpoint;
#Override
public void preInit(FMLPreInitializationEvent e) {
super.preInit(e);
}
#Override
public void init(FMLInitializationEvent e) {
super.init(e);
}
#Override
public void postInit(FMLPostInitializationEvent e) {
super.postInit(e);
try {
pendpoint = new PipeEndpoint();
} catch (FileNotFoundException e1) {
e1.printStackTrace();
}
try {
Thread.sleep(10000);
} catch (InterruptedException e1) {
e1.printStackTrace();
}
}
}
Working standalone implementation:
import java.io.FileNotFoundException;
import de.CoderDE.CodersAnimationEditor.Pipe.PipeEndpoint;
public class Main {
static PipeEndpoint pipe;
public static void main(String[] args) {
try {
pipe = new PipeEndpoint();
} catch (FileNotFoundException e1) {
e1.printStackTrace();
}
try {
Thread.sleep(10000);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
And the important PipeEndpoint class:
package de.CoderDE.CodersAnimationEditor.Pipe;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.RandomAccessFile;
public class PipeEndpoint {
private Thread reciever;
private RandomAccessFile pipe;
public PipeEndpoint() throws FileNotFoundException {
pipe = new RandomAccessFile("\\\\.\\pipe\\CodersAnimationEditor", "rw");
reciever = new Thread(new PipeEndpointReciever());
reciever.start();
}
private class PipeEndpointReciever implements Runnable {
#Override
public void run() {
try {
while (true) {
System.out.print((char)pipe.read());
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
And with "can't read anything" I mean that it never returns from pipe.read().
Oh, and the Java application starts after the C++(Qt) LocalServer started listening and waits for a new connection.

Java Websocket closes immediately

I am trying to use TooTallNate's Java-Websocket to connect to OkCoin. I found this simple code example somewhere, but I can't get it to work. The connection is immediately closed and so the call mWs.send(...) throws a WebsocketNotConnectedException. I can't figure out why; so far I have found a number of similar questions, none of which have an answer.
import org.java_websocket.client.WebSocketClient;
import org.java_websocket.handshake.ServerHandshake;
import org.json.JSONObject;
import java.net.URI;
import java.net.URISyntaxException;
public class TestApp {
public static void main(String[] args) {
try {
URI uri = new URI("wss://real.okcoin.cn:10440/websocket/okcoinapi");
final WebSocketClient mWs = new WebSocketClient(uri) {
#Override
public void onMessage(String message) {
JSONObject obj = new JSONObject(message);
}
#Override
public void onOpen(ServerHandshake handshake) {
System.out.println("opened connection");
}
#Override
public void onClose(int code, String reason, boolean remote) {
System.out.println("closed connection");
}
#Override
public void onError(Exception ex) {
ex.printStackTrace();
}
};
mWs.connect();
JSONObject obj = new JSONObject();
obj.put("event", "addChannel");
obj.put("channel", "ok_btccny_ticker");
mWs.send(obj.toString());
} catch (URISyntaxException e) {
System.err.println("URI not formatted correctly");
}
}
}

Use mWs.connectBlocking() instead of mWs.connect() with this it will not close automatically.
See

Orientdb: Import database in memory and use it as graph

This is my Java DB class in which I open database and import database export file in memory graph database, where I define all database schema information for testing cases.
Operation going well but how can I access the imported database as graph instance and not document instance of database?
I try so many things but I have failed...
Error :
The Person class exist in my schema so something else is going wrong.
Caused by:
> com.orientechnologies.orient.core.exception.OCommandExecutionException:
> Class 'PERSON' was not found in current database
Code:
import com.orientechnologies.orient.core.db.tool.ODatabaseExportException;
import com.orientechnologies.orient.core.db.tool.ODatabaseImport;
import com.orientechnologies.orient.core.sql.OCommandSQL;
import com.tinkerpop.blueprints.Vertex;
import com.tinkerpop.blueprints.impls.orient.OrientGraphFactory;
import com.tinkerpop.blueprints.impls.orient.OrientGraphNoTx;
import lombok.Getter;
import java.io.IOException;
public class Db {
#Getter private static OrientGraphFactory factory;
#Getter private static OrientGraphNoTx graph;
static public void main(String[] args){
open("memory","database");
importDB("/schemas/diary-11202016.gz");
try {
seed();
} catch (InterruptedException e) {
e.printStackTrace();
}
closeDB();
}
public static void open(String dbType, String dbUrl) {
String dbInfo = dbType + ":" + dbUrl;
System.out.println(dbInfo);
factory = new OrientGraphFactory(dbInfo, "root", "root").setupPool(1, 10);
graph = factory.getNoTx();
}
public static void importDB(String path) {
try {
ODatabaseImport importDb = new ODatabaseImport(graph.getRawGraph(), Db.class.getResourceAsStream(path), (iText) -> {
System.out.print(iText);
});
importDb.setMerge(true);
importDb.importDatabase();
importDb.close();
System.out.println("\nImporting database: OK");
} catch (ODatabaseExportException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
public static void seed() throws InterruptedException {
System.out.println("Starting to seed...");
for (Vertex v : (Iterable<Vertex>) graph.command( new OCommandSQL("select from Person")).execute()) {
System.out.println("- Bought: " + v.getProperty("name"));
}
System.out.println("Finish to seed...");
}
public static void closeDB() {
factory.close();
}
}

Replace the following piece of code
ODatabaseImport importDb = new ODatabaseImport(graph.getRawGraph(), Db.class.getResourceAsStream(path), (iText) -> {
System.out.print(iText);
});
importDb.setMerge(true);
with
ODatabaseImport importDb = new ODatabaseImport(graph.getRawGraph(), path, (iText) -> {
System.out.print(iText);
});
// importDb.setMerge(true);

How to call a method in another class using robotium

Using Robotium for my Android automation I find myself creating the same steps for each test case.
I always need to "Login" and "Logout", I've been trying to create a FunctionsTestClass so I can simply call rLogin(); and rLogout();
Here is an example:
Adding my complete files.
'package com.myproject.mobile.test;
import android.test.ActivityInstrumentationTestCase2;
import android.app.Activity;
import junit.framework.AssertionFailedError;
import com.bitbar.recorder.extensions.ExtSolo;
import com.jayway.android.robotium.solo.By;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageButton;
'public class Logout extends ActivityInstrumentationTestCase2<Activity> {
private static final String LAUNCHER_ACTIVITY_CLASSNAME = "com.myproject.mobile.MainActivity";
private static Class<?> launchActivityClass;
static {
try {
launchActivityClass = Class.forName(LAUNCHER_ACTIVITY_CLASSNAME);
} catch (ClassNotFoundException e) {
throw new RuntimeException(e);
}
}
private static ExtSolo solo; // ExtSolo is an extension of Robotium Solo that helps
// collecting better test execution data during test
// runs
#SuppressWarnings("unchecked")
public Logout() {
super((Class<Activity>) launchActivityClass);
}
#Override
public void setUp() throws Exception {
super.setUp();
solo = new ExtSolo(getInstrumentation(), getActivity(), this.getClass()
.getCanonicalName(), getName());
}
#Override
public void tearDown() throws Exception {
solo.finishOpenedActivities();
solo.tearDown();
super.tearDown();
}
public static void logginin() throws Exception {
try {
//enter username
solo.sleep(17000);
throw e;
} catch (Exception e) {
solo.fail(
"com.myproject.mobile.test.MainActivityTest.testRecorded_scr_fail",
e);
throw e;
}
}
}'
Adding my second file
package com.mypackage.mobile.test;
import android.test.ActivityInstrumentationTestCase2;
import android.app.Activity;
import junit.framework.AssertionFailedError;
import com.bitbar.recorder.extensions.ExtSolo;
import com.jayway.android.robotium.solo.By;
import com.mypackage.mobile.test.*;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageButton;
'public class Test extends ActivityInstrumentationTestCase2<Activity> {
private static final String LAUNCHER_ACTIVITY_CLASSNAME = "com.mypackage.mobile.MainActivity";
private static Class<?> launchActivityClass;
static {
try {
launchActivityClass = Class.forName(LAUNCHER_ACTIVITY_CLASSNAME);
} catch (ClassNotFoundException e) {
throw new RuntimeException(e);
}
}
private static ExtSolo solo; // ExtSolo is an extension of Robotium Solo that helps
// collecting better test execution data during test
// runs
#SuppressWarnings("unchecked")
public Test() {
super((Class<Activity>) launchActivityClass);
}
#Override
public void setUp() throws Exception {
super.setUp();
solo = new ExtSolo(getInstrumentation(), getActivity(), this.getClass()
.getCanonicalName(), getName());
}
#Override
public void tearDown() throws Exception {
solo.finishOpenedActivities();
solo.tearDown();
super.tearDown();
}
public void testRecorded() throws Exception {
try {
Logout.logginin();
} catch (AssertionFailedError e) {
solo.fail(
"com.mypackage.name.MainActivityTest.testRecorded_scr_fail",
e);
throw e;
} catch (Exception e) {
solo.fail(
"com.mypackage.name.MainActivityTest.testRecorded_scr_fail",
e);
throw e;
}
}
}
Updated the bottom two code to reflect my project.

Don't create testcase with name testLoggingin() . Instead of that creat a class having function login(). So that, whenever its needed you can import it and can call the function to login. And you can check conditions using assert.