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		1pcs DHT22 digital temperature and humidity sensor Temperature and humidity module AM2302 replace SHT11 SHT15 Free shipping	$ 3.98 ~ 3.98 / Piece
		Brand Name: DHT22 Model Number: DHT22 AM2302 Place of Origin: China ( Mainland) >> Free Shipping Item Code: 15699316 Seller: A_A_A View all items »

		10pcs/ lot Shield Ethernet Shield W5100 R3 Mega 2560 1280 328 UNR R3 < only W5100 Development board FOR arduino	$ 6.62 ~ 6.62 / item $ 66.20 ~ 66.20 / Lot (10 items per lot)
		Brand Name: Ethernet W5100 Model Number: Ethernet Shield W5100 Place of Origin: China ( Mainland) >> Free Shipping Item Code: 15700064 Seller: A_A_A View all items »

		10PC HC-SR04 Free shiping to world Ultrasonic Wave Detector Ranging Module HC-SR04 HC SR04 HCSR04 Distance Sensor	$ 1.21 ~ 1.21 / item $ 12.10 ~ 12.10 / Lot (10 items per lot)
		Brand Name: HC-SR04 Model Number: HC-SR04 10PCS Place of Origin: China ( Mainland) >> Free Shipping Item Code: 15697617 Seller: A_A_A View all items »

		1pcs Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor( for -Arduino) HC SR04 HCSR04	$ 1.22 ~ 1.22 / Piece
		Brand Name: HC-SR04 Model Number: HC-SR04 Sensor 1PCS/ LOT Place of Origin: China ( Mainland) >> Free Shipping Item Code: 15697615 Seller: A_A_A View all items »

		3pcs/ lot Bluetooth Serial Transceiver Module Base Board For HC-06 HC-07 HC-05 BC-04 For Arduino MEGA 2560 R3	$ 0.98 ~ 0.98 / Piece
		Model Number: Bluetooth Serial Transceiver Module Base Board >> Free Shipping Item Code: 15699006 Seller: A_A_A View all items »

		5pcs/ lot 1 5V Relay Module 1- realy KY-019	$ 2.15 ~ 2.15 / item $ 10.75 ~ 10.75 / Lot (5 items per lot)
		Model Number: One Relay Module 10pcs >> Free Shipping Item Code: 15698993 Seller: A_A_A View all items »

		Raspberry Pi Project Board Model B Rev2. 0 512 ARM Free Shipping Dropshipping	$ 36.51 ~ 36.51 / Piece
		Place of Origin: China ( Mainland) Type: Raspberry Pi Project Board >> Free Shipping Item Code: 15699334 Seller: A_A_A View all items »

		2x TEC1-12706 91. 2W TEC Thermoelectric Cooler Peltier	$ 2.47 ~ 2.47 / item $ 4.94 ~ 4.94 / Lot (2 items per lot)
		Brand Name: tec1 12706 Model Number: tec1-12706 2PCS Place of Origin: China ( Mainland) >> Free Shipping Item Code: 15699784 Seller: A_A_A View all items »

		3. 3V/ 5V MB102 Breadboard power module+ MB-102 830 points Solderless Prototype Bread board kit + 65 Flexible jumper wires $ 6. 66	$ 1.93 ~ 1.93 / item $ 5.79 ~ 5.79 / Lot (3 items per lot)
		Brand Name: MB-102 Model Number: 65 Root Breadboard Cables+ MB-102+ power module Place of Origin: China ( Mainland) >> Free Shipping Item Code: 15699789 Seller: A_A_A View all items »

		Shield Ethernet Shield W5100 R3 Mega 2560 1280 328 UNR R3 < only W5100 Development board FOR arduino	$ 7.67 ~ 7.67 / Piece
		Brand Name: Ethernet W5100 Model Number: Ethernet Shield W5100 Place of Origin: China ( Mainland) >> Free Shipping Item Code: 15700076 Seller: A_A_A View all items »

		wholesale hc-05 HC 05 RF Wireless Bluetooth Transceiver Module RS232 / TTL to UART converter and adapter 4pcs/ lot	$ 3.78 ~ 3.78 / item $ 18.90 ~ 18.90 / Lot (5 items per lot)
		Brand Name: hc 05 Model Number: hc-05 >> Free Shipping Item Code: 15699020 Seller: A_A_A View all items »

		50SETS RC522 RFID IC card to send S50 Fudan cards , key chains provide for arduino development code	$ 3.05 ~ 3.05 / item $ 152.50 ~ 152.50 / Lot (50 items per lot)
		Model Number: C522 RFID IC card to send S50 Fudan cards >> Free Shipping Item Code: 15711288 Seller: A_A_A View all items »

		65pcs Jump Wire Male to Male Jumper Wire for Arduino Breadboard, Free Shipping	$ 0.04 ~ 0.04 / item $ 13.00 ~ 13.00 / Lot (325 items per lot)
		Brand Name: for Arduino Model Number: 65pcs Jump Wire Male to Male Jumper Wire Place of Origin: China ( Mainland) >> Free Shipping Item Code: 15713989 Seller: A_A_A View all items »

		30cm Photosensitive dry film instead of thermal transfer production PCB board photosensitive film longth: 1 meter. cut as you like	$ 1.72 ~ 1.72 / item $ 17.20 ~ 17.20 / Lot (10 items per lot)
		Brand Name: Photosensitive dry film Model Number: Photosensitive dry film 30CM Place of Origin: China ( Mainland) >> Free Shipping Item Code: 15714208 Seller: A_A_A View all items »

		100pcs Blue blue pitch 5. 08MM Connector KF-301-3P 5. 08-301-3P	$ 0.11 ~ 0.11 / item $ 11.00 ~ 11.00 / Lot (100 items per lot)
		Model Number: KF-301-3P 5. 08-301-3P >> Free Shipping Item Code: 15716092 Seller: A_A_A View all items »

		2sets Single Bus DHT11 Digital Temperature and Humidity Sensor for Arduino DHT11 Probe	$ 1.72 ~ 1.72 / Set
		Brand Name: for -Arduino DHT11 Model Number: for -Arduino DHT11 Place of Origin: China ( Mainland) >> Free Shipping Item Code: 15716526 Seller: A_A_A View all items »

		GPS APM2. 5 NEO-6M module with built-in active antenna to save the data EEPROM	$ 14.41 ~ 14.41 / Piece
		Model Number: GPS APM2. 5 NEO-6M Output Model Category: Digital sensors Principle category: Vibration sensor Use categories: Position sensor Material: Mixture >> Free Shipping Item Code: 15716277 Seller: A_A_A View all items »

		50lot+ FREE Tracking 433Mhz RF transmitter and receiver link kit Remote control for_ Arduino ARM MCU	$ 0.41 ~ 0.41 / item $ 41.00 ~ 41.00 / Lot (100 items per lot)
		Brand Name: 433Mhz RF Model Number: 433Mhz RF transmitter and receiver link kit Place of Origin: China ( Mainland) >> Free Shipping Item Code: 15716509 Seller: A_A_A View all items »

		20pcs, DALLAS DS18B20 18B20 18S20 TO-92 IC CHIP Thermometer Temperature Sensor& Free Shipping	$ 0.90 ~ 0.90 / item $ 9.00 ~ 9.00 / Lot (10 items per lot)
		Brand Name: DALLAS Model Number: DS18B20 Place of Origin: China ( Mainland) >> Free Shipping Item Code: 15776601 Seller: A_A_A View all items »

		3D Printer Z Stepper Motor Lead Screw 424F08AB Screw Pitch Free Shipping Dropshipping	$ 39.91 ~ 39.91 / Set
		Brand Name: MT Type: Other Type: Other >> Free Shipping Item Code: 15776421 Seller: A_A_A View all items »

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Horrible Exception: org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (Io exception: The Network Adapter could not establish the connection) at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:238) at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:374) at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:263) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:101) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) at com.sun.proxy.$Proxy14.getHotSelledProducts(Unknown Source) at com.mic.escrow.buyer.modules.screens.search.SellerHotSelling.doBuildTemplate(SellerHotSelling.java:52) at org.apache.turbine.modules.screens.VelocityScreen.doBuildTemplate(VelocityScreen.java:79) at org.apache.turbine.modules.screens.TemplateScreen.doBuild(TemplateScreen.java:100) at org.apache.turbine.modules.Screen.build(Screen.java:57) at org.apache.turbine.modules.ScreenLoader.eval(ScreenLoader.java:107) at org.apache.turbine.modules.layouts.VelocityOnlyLayout.doBuild(VelocityOnlyLayout.java:93) at org.apache.turbine.modules.Layout.build(Layout.java:53) at org.apache.turbine.modules.LayoutLoader.exec(LayoutLoader.java:101) at org.apache.turbine.modules.pages.DefaultPage.doBuild(DefaultPage.java:146) at org.apache.turbine.modules.Page.build(Page.java:53) at org.apache.turbine.modules.PageLoader.exec(PageLoader.java:101) at org.apache.turbine.Turbine.doGet(Turbine.java:799) at javax.servlet.http.HttpServlet.service(HttpServlet.java:617) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:470) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Thread.java:662) Caused by: org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (Io exception: The Network Adapter could not establish the connection) at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1225) at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:880) at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:200) ... 33 more Caused by: java.sql.SQLException: Io exception: The Network Adapter could not establish the connection at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:111) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:145) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:254) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:386) at oracle.jdbc.driver.PhysicalConnection.(PhysicalConnection.java:413) at oracle.jdbc.driver.T4CConnection.(T4CConnection.java:164) at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:34) at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:752) at org.apache.commons.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:38) at org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:294) at org.apache.commons.dbcp.BasicDataSource.validateConnectionFactory(BasicDataSource.java:1247) at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1221) ... 35 more